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Counties
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Improvement in Fire-Escapes and Extension-Ladders.
Patent for a truck-mounted "portable extension-ladder that may be used by firemen in gaining access to buildings, and may also be used as a fire escape" (lines 15-17) including illustration.
Date:
August 7, 1877
Creator:
Hoyt, William A.
System:
The Portal to Texas History
Improvement in Plow-Couplings.
Patent for a new and useful Improvement in Plow-Coupling including illustration.
Date:
August 19, 1873
Creator:
Thrasher, Thomas L.
System:
The Portal to Texas History
Improvement in Plows
Patent for the improvement of plows, with illustration.
Date:
August 13, 1878
Creator:
Johnson, Felix
System:
The Portal to Texas History