5 Matching Results

Search Results

Advanced search parameters have been applied.
in creator/contributor: "Parker, R. L."  
Results: 1 - 5

Tie-Handling Apparatus

Description: Patent for a mechanism mounted on a hand car that will remove old rail ties and install new ones. This mechanism allows for the rails to remain undisturbed and the space underneath to be cleared for the new tie installation.
Date: June 6, 1916
Creator: Jones, Jefferson Davis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Photographic-Printing Apparatus.

Description: Patent for photographic printing apparatus for printing photographs from film or plate which aims to improve on previous models by making "the printing operation easy and efficient" (lines 20-21) including illustrations.
Date: June 13, 1916
Creator: Welsh, Monte
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Clothes-Pin

Description: Patent for clothes pin with illustration attached. This pin was created to allow ease shifting of clothes hanging from the clothe line. Additionally the clothes pin does not pinch the clothes it holds in place.
Date: June 12, 1917
Creator: McKinney, Arthur C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen