Resource Type

2 Matching Results

Results open in a new window/tab.

Rail-Joint (open access)

Rail-Joint

Patent for an improved rail joint with the ends of the joints fitting together in a more snug, efficient fashion.
Date: April 15, 1916
Creator: Ellis, Orvel L.
System: The Portal to Texas History
Plow. (open access)

Plow.

Patent for improvements to plows, including a mechanism to enhance the durability of the parts of the plow that receive the most use. Includes instructions and illustrations.
Date: September 30, 1891
Creator: Flatau, Louis S.
System: The Portal to Texas History