Process of Preserving Wood (open access)

Process of Preserving Wood

Patent for a process of preserving wood.
Date: September 25, 1906
Creator: Logan, John Thomas
System: The Portal to Texas History
Pump System. (open access)

Pump System.

Patent for a pump system with an improved air compressor for use in cars that produces a very quiet engine.
Date: July 25, 1911
Creator: Read, William K.
System: The Portal to Texas History
Shoe Blacking and Polishing Machine (open access)

Shoe Blacking and Polishing Machine

Patent for an invention "to improve the construction of shoe blacking and polishing machines" (lines 10-12) Illustrations included.
Date: June 25, 1912
Creator: Bean, Jesse Alfonso
System: The Portal to Texas History