Resource Type

Boll-Weevil Extermination (open access)

Boll-Weevil Extermination

Patent for a device to exterminate boll-weevils on cotton. Illustrations included.
Date: April 12, 1910
Creator: Hebert, Paul E.
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
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
Draft Attachment for Automobiles. (open access)

Draft Attachment for Automobiles.

Patent for a draft attachment for automobiles to aid in their movement from muddy or slippery conditions including instructions and illustrations.
Date: March 12, 1918
Creator: Pietzsch, Cornelius O.
System: The Portal to Texas History