Condenser for Cotton-Gins (open access)

Condenser for Cotton-Gins

Patent for a condenser for cleaning cotton gins. Illustrations included.
Date: November 21, 1911
Creator: Riemenschneider, Adolph
System: The Portal to Texas History
Improvement in Sewing Machines (open access)

Improvement in Sewing Machines

Patent for "a new Improved Sewing-Machine" that "has for its object to provide more useful and efficient machines than those now in use."
Date: November 16, 1869
Creator: Cleaver, P. J.
System: The Portal to Texas History
Improvement in Sewing-Machine. (open access)

Improvement in Sewing-Machine.

Patent for improvements to the sewing machine. The patent includes instructions and illustrations.
Date: November 16, 1869
Creator: Clever, P. J.
System: The Portal to Texas History
Improvement in Tire-Tighteners. (open access)

Improvement in Tire-Tighteners.

Patent for improvement in tire-tighteners to contract a tire upon its felly without removal.
Date: November 27, 1876
Creator: Martin, James
System: The Portal to Texas History
Improvement in Mixing Mineral and Fossil Substances with Bituminized Clay to Form a Plastic Material. (open access)

Improvement in Mixing Mineral and Fossil Substances with Bituminized Clay to Form a Plastic Material.

Patent for mixing mineral or fossil substances with bituminated clay, creating a product that "is a dense, durable, and economical composition, suitable for building both small and massive structures, and for other purposes" (lines 54-57).
Date: November 11, 1873
Creator: Lea, Pryor
System: The Portal to Texas History
Feed-Trough (open access)

Feed-Trough

Patent for feed trough. This is an improvement to the feed trough which already exists. This trough is "cylindrical in form" and allows for easier and cleaner access for those tending to the animals.
Date: November 24, 1914
Creator: Fechner, Albert H.
System: The Portal to Texas History