3 Matching Results

Search Results

Patent for device locks a nut to the threaded portion of a bolt.

Date: January 2, 1917

Creator: Blackwelder, Charlie A.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for improvments in space bands.

Date: January 2, 1917

Creator: Webb, James L.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for sliding door for frieght cars, rather than doors that open outward.

Date: January 9, 1917

Creator: Tierney, Henry J.

Item Type: Patent

Partner: UNT Libraries Government Documents Department