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Governor for Explosive-Engines.
Patent for a governor for explosive engines for use in trains, which will increase the fuel efficiency of the engines.
Date:
April 27, 1909
Creator:
Mayo, William C. & Houlehan, John
System:
The Portal to Texas History
Seal-Lock.
Patent for a seal lock for railroad cars, which will show whether an unauthorized entry has been made by requiring the seal ton be broken before the lock opens.
Date:
April 27, 1909
Creator:
Christian, Edward L.
System:
The Portal to Texas History
Necktie
Patent for a pre-made necktie. This is a pre-made four in hand necktie that is designed to be adjustable to various neck sizes and made to not tear a shirt collar.
Date:
April 27, 1915
Creator:
Allen, Joseph H.
System:
The Portal to Texas History