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Vehicle-Wheel.
Patent for a vehicle wheel that has hub casings, which keep the lubricating oil inside and dirt outside.
Date:
October 31, 1911
Creator:
Tatum, Franklin M.
System:
The Portal to Texas History
Roller Bearing
Patent for improvement on roller bearings that include spaced rings and multiple rollers.
Date:
November 2, 1911
Creator:
Tatum, Franklin M.
System:
The Portal to Texas History