2 Matching Results

Search Results

Plow.

Description: Patent for a plow that has a new design for a "subsoil and harrow attachment to the ordinary break-plow" (lines 9-10).
Date: May 19, 1896
Creator: Bowers, Thomas M.
Partner: UNT Libraries Government Documents Department

Rotary Boring Drill

Description: Patent for a rotary boring drill that shears off material in a circular manner while drilling holes.
Date: December 19, 1916
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen