Resource Type
States
Counties
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Automatic Air-Brake Coupling
Patent for an air-brake coupling for railroad cars which connects cars automatically and can be fully controlled by the train engineer in the engine.
Date:
July 23, 1907
Creator:
McMillan, Thomas B.
System:
The Portal to Texas History
Coupling
Patent for a coupler designed to connect the pipes of train cars. Illustrations included.
Date:
June 23, 1908
Creator:
Mc.Millan, Thomas B.
System:
The Portal to Texas History
Tool-Sharpener.
Patent for a tool sharpener for various farm equipment such as plows or tools.
Date:
March 23, 1909
Creator:
Kirksey, Elijah F. & Stegall, John T.
System:
The Portal to Texas History