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4 Matching Results
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Buggy-Axle
Patent for a buggy-axle that has the hub of the wheel so arranged as to rotate with the stub axle of the device, holding the wheel in place.
Date:
May 18, 1915
Creator:
Elliott, Claude B. & Kurtz, Edward
System:
The Portal to Texas History
Improvement in Teeth for Cotton-Gin Saws.
Patent for new useful improvement of the cotton-gin saws that consists of the dress or shape of the teeth, includes instructions and illustrations.
Date:
May 6, 1873
Creator:
Oglesby, Thomas B.
System:
The Portal to Texas History
Improvement in Car-Couplings.
Patent for an improvement in car-couplings with illustrations.
Date:
May 30, 1876
Creator:
Darrow, Nicholas
System:
The Portal to Texas History
Cultivator.
Patent for an improvement to "shovel-plows" that "is adapted to cultivate between the rows of corn, &c., and one in which the rearwardly-extending moldboards can be adjusted [...] in case the rows are close together or far apart. The cultivator is also arranged so that the depth of the furrow can be regulated" (lines 14-21).
Date:
May 28, 1901
Creator:
Dinkins, James Oscar
System:
The Portal to Texas History