| All Patents in class 81/184 |
Patents 1 -
15
of 50
      |
| Number | Date | Patentee | Title | Type |
| 51,961 | Jan. 09, 1866 | T.C. Page | Removable Gripping-Jaw | pipe jaw attachments for wrenches |
| 79,665 | Jul. 07, 1868 | J. Madden | Improvement in Pipe-Wrenches | pipe jaw attachments for wrenches |
| 98,515 | Jan. 04, 1870 | R. Morrison | Wrench | wrench handle components |
| 107,425 | Sep. 13, 1870 | H. Tregallas | Improvement in Wrenches | pipe and nut combination wrenches |
| 120,475 | Oct. 31, 1871 | A.H. Woodruff | Improvement in Pipe Wrench Attachment for Monkey Wrenches | pipe jaw attachments for wrenches |
| 166,665 | Aug. 10, 1875 | L.O. Veber | Wrench | pipe and nut combination wrenches |
| 193,632 | Jul. 31, 1877 | C.H. Amidon | Brace-wrench | brace wrenches |
| 194,488 | Aug. 21, 1877 | B.L. Walker | Pipe And Nut Wrenches With Cutters | pipe jaw attachments for wrenches |
| 195,266 | Sep. 18, 1877 | J. Eiseman | Detachable Serrated Jaw | pipe jaw attachments for wrenches |
| 203,774 | May 14, 1878 | H.F. Read | Wrench Attachment | pipe jaw attachments for wrenches |
| 214,697 | Apr. 22, 1879 | P. Peppler | Pipe-Wrench Attachments | pipe jaw attachments for wrenches |
| 302,842 | Jul. 29, 1884 | S.H. Heginbottom, W.H. Hayton, R.C. Hayton | Improved Serrated Pipe-Gripping Jaw | pipe jaw attachments for wrenches |
| 337,627 | Mar. 09, 1886 | F.H. Seymour | Pipe Wrench Attachment For Monkey Wrenches | chain and strap wrenches |
| 347,179 | Aug. 10, 1886 | C.H. Hubbell, W.A. Kelly | Wrench Attachment | pipe jaw attachments for wrenches |
| 363,901 | May 31, 1887 | W.C. Marr | Wrench | screw adjust wrenches |
