2 Matching Results

Search Results

Advanced search parameters have been applied.
in creator/contributor: "Collier, William R."  
Results: 1 - 2

Insulator.

Description: Patent for a train track insulator, which acts as a fastener between adjourning portions of track.
Date: March 29, 1921
Creator: Collier, William R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ointment.

Description: Patent for a general external application ointment made of chloride of zinc, powdered metallic cobalt, blood root, and glycerine.
Date: April 4, 1922
Creator: Mullins, Ervin L. & Collier, William R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen