Resource Type
Counties
3 Matching Results
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Grain Door
Patent for a railway car door that is designed to assist with loading and unloading of grain
Date:
October 23, 1915
Creator:
Alquist, Sven Peter
System:
The Portal to Texas History
Automatic Signal and Control for Railways
Patent for "automatically arresting the travel of a locomotive or train in the event of failure of a clear track" (lines 11-14).
Date:
February 23, 1915
Creator:
Pool, Carl L.
System:
The Portal to Texas History
Gas Generator and Burner.
Patent for a "combined gas generator and burner" (lines 9-10) adapted for household heating and cooking purposes including instructions and illustrations.
Date:
March 23, 1915
Creator:
Hopper, James F.
System:
The Portal to Texas History