Bed-Spring Tightener (open access)

Bed-Spring Tightener

Patent for improvements in bed-spring tighteners, for adjusting the tension of a bed spring supporting wire as may be required. Illustration is included.
Date: July 5, 1910
Creator: Tlustos, Joseph J.
System: The Portal to Texas History
Traction-Wheel. (open access)

Traction-Wheel.

Patent for a traction wheel that has improved traction on muddy ground.
Date: July 12, 1910
Creator: Larson, Louis O.; Larsen, Arvid R. & Johnson, Sigfried
System: The Portal to Texas History
Two-Stage Pump (open access)

Two-Stage Pump

Patent for a two stage pump. Illustrations included.
Date: July 12, 1910
Creator: Gray, William T.
System: The Portal to Texas History