Resource Type

Anti-Friction Sucker-Rod Coupling. (open access)

Anti-Friction Sucker-Rod Coupling.

Patent for an anti-frictioin sucker-rod coupling. This invention relates to certain new and useful improvements in sectional sucker-rods for artesian, oil, and other wells, and has for its object to provide an improved construction of coupling-joint for connecting the sections of the rods together.
Date: January 26, 1892
Creator: Black, William L.
System: The Portal to Texas History