Month

Disk-Plow. (open access)

Disk-Plow.

Patent for a riding disk plow, which uses less horsepower, has no side draft, and does not get clogged in wet conditions.
Date: April 19, 1910
Creator: Martin, John H.
System: The Portal to Texas History
Oil Burner. (open access)

Oil Burner.

Patent for oil burner improvements, including economic and easily handle to control the pressure to control the oil and steam within the burner head.
Date: February 9, 1920
Creator: Obenshain, Kyle Derias
System: The Portal to Texas History