897 Matching Results

Search Results

Results: 1 - 24 next

Well Drill.

Description: Patent for a new and improved well drill. This design "consists in a novel construction of a tool for boring or drilling wells, which tool has the drill-bit and the reamer so united as to operate simultaneously, and thus serve the functions of the so-called "Z-bit" and effectually prevent the tool from being thrown laterally out of the line of cutting when striking bowlders; and the invention also consists in an improved construction of the coupling of the tool to the sinker-bar or drill-bar" (… more
Date: July 17, 1888
Creator: Titus, Silas W. & Clark, Chester C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Quilting Attachment for Sewing-Machines.

Description: Patent for a new removable quilting frame for sewing machines. Patent for "improvements in sewing-machine attachments for quilting designed to support a quilting frame that can be moved from place to place" (lines 14-21) including instructions and illustrations. Patent for a new quilting attachment for sewing-machine design with, including illustrations.
Date: January 3, 1888
Creator: Clark, Chester Cady
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen