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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
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
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