Counties
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Split Pulley.
Patent for split pulleys with interlocking parts that can be attached together without pulling the parts longitudinally.
Date:
February 5, 1907
Creator:
Frank, Henry M.
System:
The Portal to Texas History
Shears and Tension-Screw.
Patent for shears with a tension spring that don't require the use of a screwdriver to fix or adjust, last longer, keep the blades more even, and don't pinch one's hands while using them.
Date:
February 19, 1907
Creator:
Wilkins, Willis A.
System:
The Portal to Texas History
Shaft Coupling
Patent for a shaft coupling. This invention is designed to connect shafts by interlocking to parts that slide lengthwise thereby clamping them together. Illustration included.
Date:
February 5, 1907
Creator:
Frank, Henry M.
System:
The Portal to Texas History