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Automobile-Signal.
Patent for a door-mounted automobile turn signal that swings out on an arm to appear at a right angle to the vehicle and is operated by the driver's knee or elbow. The signal is illuminated by an electric lamp and sounds the car horn when deployed.
Date:
August 31, 1920
Creator:
Carnes, Sam D.
System:
The Portal to Texas History
Flytrap.
Patent for a "new and improved fly trap arranged to insure [sic] a proper transfer of the flies or other insects" in such a way that the trap bait is preserved for repeated use (lines 14-16).
Date:
May 31, 1921
Creator:
Wallace, William Simpson
System:
The Portal to Texas History
Tire-Casing.
Patent for a new type of puncture-proof tire casing.
Date:
August 31, 1920
Creator:
Anderson, Arthur V. & Morgan, Alfred M.
System:
The Portal to Texas History
General-Delivery Post-Office Cabinet.
Patent for a postal mail cabinet in which the arrangement of the compartments can be adjusted and allow for consideration of both the surname and given name of the recipient.
Date:
August 31, 1920
Creator:
Conine, James B.
System:
The Portal to Texas History