2 Matching Results

Results open in a new window/tab.

Gear-Wheel. (open access)

Gear-Wheel.

Patent for the construction of a wheel and gear rim that converts any ordinary vehicle wheel into a gear wheel.
Date: June 8, 1915
Creator: Biela, Valentine
System: The Portal to Texas History
Traction-Wheel (open access)

Traction-Wheel

Patent for a traction wheel with a removable gripping surface which will prevent the wheel from slipping on roads or slick surfaces.
Date: January 19, 1915
Creator: Biela, Valentine
System: The Portal to Texas History