Patents for Harry Drury |
Patents 1 -
12
of 12
|
Number | Date | Patentee | Title | Type |
253,996 | Feb. 21, 1882 | W.D. Forbes | Screw-cutting die | taps and dies |
265,151 | Sep. 26, 1882 | G.S. Rominger | Three-jaw chuck with springs to spread the jaws open. | |
269,118 | Dec. 12, 1882 | T.H. Rodenboh | Feed-roll for planing-machines | wood planers |
270,407 | Jan. 09, 1883 | W.D. Forbes | Screw-threading machine | pipe threading machines |
270,408 | Jan. 09, 1883 | W.D. Forbes | Screw-threading machine | pipe threading machines |
271,014 | Jan. 23, 1883 | J.G. Austin | Combo saw, scroll-saw, lathe, and drill | scrollsaws |
273,873 | Mar. 13, 1883 | F.B. Miles | Metal Planing Machine | metal planers |
276,076 | Apr. 17, 1883 | W.H. Ridgway | Elevator | hoists, winches, come-alongs |
277,256 | May 08, 1883 | W.D. Forbes | Ratchet Wrench | tap wrenches and die stocks |
290,183 | Dec. 11, 1883 | G.F. Hildenbrand | Faucet-Hole Attachment For Barrel | wrenches |
475,004 | May 17, 1892 | E.A. Walker | Planing-Machine | metal planers |
594,775 | Nov. 30, 1897 | J. Browning | Pipe Wrench | pipe wrenches |