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3 Matching Results
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Improvement in Car-Couplings.
Patent for an improved automatic car-coupling, including illustrations.
Date:
November 23, 1875
Creator:
Harper, Derastus
System:
The Portal to Texas History
Improvements In Dropping-Bottles
Patent for improvements in dropping-bottles that can be used by doctors, nurses, and pharmacists to dispense medicine one drop at a time.
Date:
June 29, 1875
Creator:
Garrett, Charles C.
System:
The Portal to Texas History
Improvement in Car-Couplings.
Patent for an improved train car-coupling, including illustrations.
Date:
March 30, 1875
Creator:
Garrett, Charles C.
System:
The Portal to Texas History