Resource Type
Counties
Decade
11 Matching Results
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1 - 11 of
11
Book Guard
Patent for a book guard with an illustration.
Date:
December 21, 1909
Creator:
Boatright, John B.
System:
The Portal to Texas History
Automatic Valve
Patent for an automatic valve that uses a lever to open and close quickly, with illustrations.
Date:
November 20, 1906
Creator:
Pinkerton, Henry S.
System:
The Portal to Texas History
Boiler Cleaning Compound
Patent for a boiler cleaning compound for steam-boilers and furnaces to prevent buildup from hard water.
Date:
September 27, 1904
Creator:
López, Néstor
System:
The Portal to Texas History
Automatic Valve
Patent for an automatic valve, "designed to automatically control the water-supply to a suitable reservoir through the operation of a float (lines 9-11), with illustrations.
Date:
April 25, 1905
Creator:
Pinkerton, Henry S.
System:
The Portal to Texas History
Valve
Patent for improvement to a valve design, with illustrations.
Date:
January 8, 1907
Creator:
Pinkerton, Henry S.
System:
The Portal to Texas History
Medical Compound
Patent for a medical compound which "when taken internally, is a cure for gonorrhea, gravel, dysentery, and diarrhea, and when applied externally a cure for rheumatism" (lines 12-14).
Date:
September 4, 1906
Creator:
Mendez, Jesus M.
System:
The Portal to Texas History
Post Hole Digger
Patent for a post hole digger with an illustration.
Date:
November 13, 1906
Creator:
Wall, William J.
System:
The Portal to Texas History
Panorama-Camera.
Patent for a panorama camera to adjust or remove the film without exposing it, including illustrations.
Date:
May 16, 1905
Creator:
Baker, Franklin James
System:
The Portal to Texas History
Stove-Lifter
Patent for a lifter for stove lids that may also be used as kitchen tongs, with illustrations.
Date:
January 26, 1909
Creator:
Hall, Robert H.
System:
The Portal to Texas History
Shovel.
Patent for a shovel, which has a detachable blade and handle that can be securely fastened when in use and easily taken apart for transport.
Date:
April 7, 1908
Creator:
Ellison, John Wesley
System:
The Portal to Texas History
Neck-Yoke Center.
Patent for a device that improves, simplifies, and strengthens the construction of neck yoke centers.
Date:
February 6, 1906
Creator:
Quick, E. B.
System:
The Portal to Texas History