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3 Matching Results
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Window Frame And Sash.
Patent for new and useful improvements in window frames and sashes, including instructions and illustrations.
Date:
February 6, 1900
Creator:
Wood, Alpheus H. & Tunnell, John D.
System:
The Portal to Texas History
Frog and Guard Rail for Railway Tracks
Patent for a frog and guard rail for railway tracks. Illustration included.
Date:
June 6, 1911
Creator:
Thomas, John W.
System:
The Portal to Texas History
Car-Coupling.
Patent for "improvements in car couplings and it has for its general object to provide a coupling embodying such a constructions that two cars may be connected together or disconnected without the objectionable necessity of a trainman going between them." (Lines 11-17) Includes instructions and illustrations.
Date:
November 6, 1894
Creator:
Tunnell, John D.
System:
The Portal to Texas History