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20 Matching Results
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1 - 20 of
20
Automatic Signal-Actuating Mechanism for Railways
Patent for an improved signal actuating mechanisms for railways. When the train cars reach an operating mechanism, a flag will be raised where pedestrians or cars cross, and cause a signal to be repeated until the train passes.
Date:
July 20, 1920
Creator:
Bashara, Samuel Farris
Object Type:
Patent
System:
The Portal to Texas History
Signal.
Patent for a signal to be placed on the fender of a motor vehicle to indicate to other drivers the intended direction the vehicle is going.
Date:
July 20, 1920
Creator:
Cochran, Carl T.
Object Type:
Patent
System:
The Portal to Texas History
Plunger For Deep-Well Pumps
Patent for improved deep well pumps with plungers used to reduce wear and lower the amount of repairs needed
Date:
April 20, 1920
Creator:
Coulson, William J.
Object Type:
Patent
System:
The Portal to Texas History
Pneumatic Tire.
Patent for improvements in tires for vehicles that has a cushion that takes the shocks of travel.
Date:
July 20, 1920
Creator:
Drouet, Charles
Object Type:
Patent
System:
The Portal to Texas History
Spear
Patent for a spear that is used to help withdraw or remove pipes that may get stuck in wellbores.
Date:
April 20, 1920
Creator:
Gray, Ellsworth
Object Type:
Patent
System:
The Portal to Texas History
Pump
Patent for an improvement to pumps. This pump is designed to facilitate pumping of materials from deep oil and water wells.
Date:
March 20, 1920
Creator:
Hunt, David
Object Type:
Patent
System:
The Portal to Texas History
The Houston Informer (Houston, Tex.), Vol. 1, No. 44, Ed. 1 Saturday, March 20, 1920
Weekly African-American newspaper from Houston, Texas that includes local, state, and national news along with advertising.
Date:
March 20, 1920
Creator:
Richardson, Clifton F.
Object Type:
Newspaper
System:
The Portal to Texas History
Elevator.
Patent for an elevator used to lift pipe and other similar objects, the invention is designed to help drilling operations for oil wells.
Date:
January 20, 1920
Creator:
Steen, Buford J.
Object Type:
Patent
System:
The Portal to Texas History
The Houston Post. (Houston, Tex.), Vol. 30, No. 47, Ed. 1 Thursday, May 20, 1920
Daily newspaper from Houston, Texas that includes local, state and national news along with extensive advertising.
Date:
May 20, 1920
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Houston Post. (Houston, Tex.), Vol. 35, No. 291, Ed. 1 Tuesday, January 20, 1920
Daily newspaper from Houston, Texas that includes local, state and national news along with extensive advertising.
Date:
January 20, 1920
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Houston Post. (Houston, Tex.), Vol. 35, No. 322, Ed. 1 Friday, February 20, 1920
Daily newspaper from Houston, Texas that includes local, state and national news along with extensive advertising.
Date:
February 20, 1920
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Houston Post. (Houston, Tex.), Vol. 35, No. 351, Ed. 1 Saturday, March 20, 1920
Daily newspaper from Houston, Texas that includes local, state and national news along with extensive advertising.
Date:
March 20, 1920
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Houston Post. (Houston, Tex.), Vol. 36, No. 17, Ed. 1 Tuesday, April 20, 1920
Daily newspaper from Houston, Texas that includes local, state and national news along with extensive advertising.
Date:
April 20, 1920
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Houston Post. (Houston, Tex.), Vol. 36, No. 78, Ed. 1 Sunday, June 20, 1920
Daily newspaper from Houston, Texas that includes local, state and national news along with extensive advertising.
Date:
June 20, 1920
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Houston Post. (Houston, Tex.), Vol. 36, No. 108, Ed. 1 Tuesday, July 20, 1920
Daily newspaper from Houston, Texas that includes local, state and national news along with extensive advertising.
Date:
July 20, 1920
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Houston Post. (Houston, Tex.), Vol. 36, No. 139, Ed. 1 Friday, August 20, 1920
Daily newspaper from Houston, Texas that includes local, state and national news along with extensive advertising.
Date:
August 20, 1920
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Houston Post. (Houston, Tex.), Vol. 36, No. 170, Ed. 1 Monday, September 20, 1920
Daily newspaper from Houston, Texas that includes local, state and national news along with extensive advertising.
Date:
September 20, 1920
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Houston Post. (Houston, Tex.), Vol. 36, No. 200, Ed. 1 Wednesday, October 20, 1920
Daily newspaper from Houston, Texas that includes local, state and national news along with extensive advertising.
Date:
October 20, 1920
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Houston Post. (Houston, Tex.), Vol. 36, No. 231, Ed. 1 Saturday, November 20, 1920
Daily newspaper from Houston, Texas that includes local, state and national news along with extensive advertising.
Date:
November 20, 1920
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Houston Post. (Houston, Tex.), Vol. 36, No. 261, Ed. 1 Monday, December 20, 1920
Daily newspaper from Houston, Texas that includes local, state and national news along with extensive advertising.
Date:
December 20, 1920
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History