All Patents of Type: chain and strap wrenches |
Patents 1 -
15
of 257
|
Number | Date | Patentee | Title | Type |
55,578 | Jun. 12, 1866 | D.W. Coggeshall | Improvement in Pipe-Wrenches | pipe wrenches |
114,348 | May 02, 1871 | E.H. Robbins | Improved Pipe-Hook | chain and strap wrenches |
160,179 | Feb. 23, 1875 | D. Gilbert | Improvement in Pipe-Wrenches | chain and strap wrenches |
181,990 | Sep. 05, 1876 | O.H. Smith | Improvement in Tubing-Chain Wrenches | chain and strap wrenches |
218,285 | Aug. 05, 1879 | E.S. Leaycraft | Frictional Pipe-Wrench | chain and strap wrenches |
219,758 | Sep. 16, 1879 | R.R. Piper | Pipe-Wrench | chain and strap wrenches |
228,707 | Jun. 08, 1880 | W.C. Westerfield | Wrench Adapted To Grasping Cylindrical Bodies | chain and strap wrenches |
235,957 | Dec. 28, 1880 | J.O. Morse | Pipe Tongs | chain and strap wrenches |
238,761 | Mar. 15, 1881 | J.J. Carmody | Pipe Wrench | chain and strap wrenches |
241,674 | May 17, 1881 | W.T. Kosinski | Pipe Wrench | chain and strap wrenches |
247,406 | Sep. 20, 1881 | N. Purdy | Pipe Tongs | chain and strap wrenches |
247,987 | Oct. 04, 1881 | W.H. Brock | Chain Wrench | chain and strap wrenches |
249,968 | Nov. 22, 1881 | T.D. Mernan | Pipe Wrench | chain and strap wrenches |
250,641 | Dec. 13, 1881 | W.H. Brock | Chain Wrench | chain and strap wrenches |
CA-13,998 | Jan. 16, 1882 | A.H. Hardwicke, T.D. Mernan | Improvements in Pipe Wrenches | chain and strap wrenches |