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6 Matching Results
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Combined Cotton Chopper and Cultivator.
Patent for "useful improvements in combined cotton choppers and cultivators" (lines 10-11) including illustrations.
Date:
July 30, 1907
Creator:
Arnold, Willard M. ; W. M. Arnold
System:
The Portal to Texas History
Veterinary Mouth-Speculum.
Patent for a mouth speculum for use by veterinarians to hold open the mouths of animals during surgeries on their teeth.
Date:
July 30, 1907
Creator:
Rutherford, Frank E.
System:
The Portal to Texas History
Third Seat for Vehicles.
Patent for an extra third seat for vehicles, which folds up when not in use.
Date:
July 30, 1907
Creator:
Bond, Tom, Sr.
System:
The Portal to Texas History
Hame-Fastener
Patent for an improved hame fastener, including illustration.
Date:
July 30, 1901
Creator:
Dodson, Roy
System:
The Portal to Texas History
Elevator Signal System
Patent for an elevator signal system that can be installed in elevators which indicates "the floor positions of all the cars as well as the car carrying the indicator" (lines 10-12), including illustrations.
Date:
July 30, 1918
Creator:
McNabb, Alvin C.
System:
The Portal to Texas History
Dry-Kin Furnace.
Patent for a dry-kiln furnace meant to improve the "heating and hot-air circulating devices for such structures, whereby all or nearly all the heat generated is utilized, thereby effecting an economy in the use of fuel and also increasing the capacity of the kiln" (lines 15-19).
Date:
July 30, 1895
Creator:
Ketcham, William
System:
The Portal to Texas History