Tool for Unscrewing Pipe-Joints from Wells (open access)

Tool for Unscrewing Pipe-Joints from Wells

Patent for "new and useful Improvements in Tools for Unscrewing Pipe-Joints from Wells" (lines 5-6). "The object of the invention is to provide a device... whereby the joints of pipe that have become stuck in the well may be unscrewed and withdrawn" (lines 12-16).
Date: September 3, 1918
Creator: Matula, Joseph R.
System: The Portal to Texas History
Flexible Stay Bolt (open access)

Flexible Stay Bolt

Patent for Flexible Stay Bolt
Date: September 5, 1916
Creator: Bearicks, Charles F
System: The Portal to Texas History
Cotton Seed Separator (open access)

Cotton Seed Separator

Patent for a cotton seed separator. Illustrations included.
Date: September 13, 1904
Creator: Pinter, Francis T.
System: The Portal to Texas History