UNT Libraries Government Documents Department - 2 Matching Results

Search Results

Results: 1 - 2

Car-Replacer

Description: Patent for car replacer. It is an improvement to "what is called a 'frog' or a 'shoe'." The invention involves "two frogs or shoes which are used together" and are used "in such a way as to replace a car truck. . ." (Ledbetter)
Date: December 1, 1914
Creator: Ledbetter, Louis H.
Item Type: Refine your search to only Patent

Fountain-Pen.

Description: Patent for a fountain pen that has a piston which suctions ink into the pen's barrel and feeds it to the pen-point. The pen will be sturdy with no loose parts.
Date: September 1, 1896
Creator: Rogers, William Joseph
Item Type: Refine your search to only Patent
Back to Top of Screen