Resource Type
Counties
3 Matching Results
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Combined Gun and Knife.
Patent for a firearm that has a permanently-attached retractable bayonet.
Date:
January 7, 1919
Creator:
Tomanek, Josef
System:
The Portal to Texas History
Watchmaker's Tool.
Patent for a watchmaking tool that enables a roller jewel to be set in the balance-wheel of a watch with accuracy, and without removing the hair-spring or the roller table.
Date:
January 8, 1918
Creator:
Kethley, Jacob D.
System:
The Portal to Texas History
Elevating-Truck.
Patent for an elevating truck, which will improve the ability to use a hoist to lift heavy loads.
Date:
January 16, 1912
Creator:
Wadlington, David M.
System:
The Portal to Texas History