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Cultivation of Soil. (open access)

Cultivation of Soil.

Patent for improvements in soil cultivation, relating "to conserving and preserving moisture in the soil for growing vegetation" (lines 8-10), including illustrations and instructions.
Date: June 10, 1919
Creator: Lyon, Leonidas N.
System: The Portal to Texas History
Trap (open access)

Trap

Patent for an improvement on traps. This trap is primarily insect and pest control, meant for ants and flies.
Date: October 17, 1919
Creator: Miller, William B.
System: The Portal to Texas History
Tool for Replacing Transmission-Covers on Ford Cars. (open access)

Tool for Replacing Transmission-Covers on Ford Cars.

Patent for removing and replacing the transmission covers on Ford cars.
Date: July 14, 1919
Creator: Lueders, Edgar T.
System: The Portal to Texas History