4 Matching Results
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Picket-Fence Machine.
Patent for a picket fence machine for a fence that can be built of wire where normal fence pickets are woven and spaced an equal distance apart, including illustrations and instructions.
Date:
March 10, 1914
Creator:
Purdy, John S.
System:
The Portal to Texas History
Airship
Patent for an airship of improved construction, which allows for the operator to change their positions to propel, raise, lower and steer the ship.
Date:
November 10, 1914
Creator:
John William Oman
System:
The Portal to Texas History
Package Tie
Patent for improvements made to package ties that are utilized by letter carriers to bind multiple letters or newspapers. This patent details improvements in efficiency of use, and construction for mass production to be sold at a small price.
Date:
March 10, 1914
Creator:
Patrick, Charles A.
System:
The Portal to Texas History
Telegraph Repeating System
Patent for an improved telegraph repeater which uses electromagnetic elements to repeat both ways.
Date:
November 10, 1914
Creator:
Jester, Alfred T.
System:
The Portal to Texas History