Resource Type

Process of and Apparatus for Treating Oil (open access)

Process of and Apparatus for Treating Oil

Patent for a process of and an apparatus for treating oil in a more efficient manner.
Date: January 7, 1919
Creator: Seibert, Frank M. & Brady, John D.
System: The Portal to Texas History
Lubricating car-axles (open access)

Lubricating car-axles

Patent for an improvement in axle lubrication involving an oil-elevator, axle-box and journal-box. Includes illustrations.
Date: January 7, 1873
Creator: Morris, Joseph R.
System: The Portal to Texas History
Patch for Cotton Bales. (open access)

Patch for Cotton Bales.

Patent for a patch for cotton bales. The invention provides a solution for the need to cut a slit in a cotton bale to see to the cotton's quality. This cotton bale patch serves as a way to fasten these slits in production to prevent loss or theft of the cotton product.
Date: January 7, 1919
Creator: Louis, Rube B.
System: The Portal to Texas History