UNT Libraries Government Documents Department - Browse


Improvement in Cultivators.

Description: Patent for a triangle shaped cultivator with removable mold-boards that can be used as a plow and scraper, including illustration.
Date: May 10, 1859
Creator: Doss, William C.
Item Type: Patent

Improvement in Sewing-Machines.

Description: Patent for improvement in sewing-machines by using two cams, one to operate the needle-arm and another to operate the feed and shuttle movements, illustration is included.
Date: November 15, 1859
Creator: Singer, E. C.
Item Type: Patent