Resource Type

States

Bit Cleaner (open access)

Bit Cleaner

Patent for a device that will clean drill bits used for wells without needing to remove them from the ground. Additional aspects of the patent cover fittings and attachments necessary for better operation of the drill bits and the cleaner.
Date: February 17, 1920
Creator: Robichaux, Sosthene
System: The Portal to Texas History
Stirrup (open access)

Stirrup

Patent for "new and useful improvements in stirrups" (lines 5-6), including illustration and instructions.
Date: August 17, 1909
Creator: Hooks, George W.
System: The Portal to Texas History