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4 Matching Results
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Fan Construction
Patent for a fan construction. This invention uses a spring motor to provided hours of fan use.
Date:
October 13, 1903
Creator:
Burnes, Worley Walden
Object Type:
Patent
System:
The Portal to Texas History
Carbureter
Patent for the carbureter for controlling the quality of the combustible mixture for internal combustion engines, such as automobiles requiring a wide range of variation in the proportion of fuel and air to efficiently and economically supply the demand.
Date:
January 13, 1920
Creator:
Guthrie, William S.
Object Type:
Patent
System:
The Portal to Texas History
Automatic Alarm for Railroad Crossings
Patent for alarm for automatic railroad crossings to alert those nearby of an oncoming train.
Date:
February 13, 1917
Creator:
Price, Henry A.
Object Type:
Patent
System:
The Portal to Texas History
An Archaeological Survey of the Proposed Forney Wastewater Treatment Plant
A report of an archaeological survey of a proposed wastewater treatment plant.
Date:
December 13, 2004
Creator:
Todd, Jesse
Object Type:
Report
System:
The Portal to Texas History