Resource Type
28 Matching Results
Results open in a new window/tab.
prev
Results:
25 - 28 of
28
Monocycle.
Patent for a monocycle/unicycle that allows the rider to balance more easily than on previous models.
Date:
March 9, 1909
Creator:
Morris, Sydney Albert
System:
The Portal to Texas History
Railway-Crossing Signal.
Patent for a railway crossing signal, which is operated by wind power from moving trains.
Date:
March 9, 1909
Creator:
Davis, George A.
System:
The Portal to Texas History
Cotton-Chopper.
Patent for a cotton chopper, which cuts faster and more accurately than other models and sends the waste cotton and weeds to one side.
Date:
March 9, 1909
Creator:
Winkler, Christoph
System:
The Portal to Texas History
Cotton Chopper
Patent for a cotton chopper. Illustration included.
Date:
November 9, 1909
Creator:
Harris, Irvin F.
System:
The Portal to Texas History