| All Patents in class 81/DIG.6 |
Patents 31 -
39
of 39
      |
| Number | Date | Patentee | Title | Type |
| 1,181,653 | May 02, 1916 | J. Eifel | Improved Plier Form Wrench | pliers type wrenches |
| 1,188,721 | Jun. 27, 1916 | F. Bittner | Pipe Wrench | pipe wrenches |
| 1,429,812 | Sep. 19, 1922 | J. Van Horn | Wrench | screw adjust wrenches |
| 1,486,981 | Mar. 18, 1924 | P.J. Magnan | Wrench | pliers type wrenches |
| 1,552,091 | Sep. 01, 1925 | W.O. Thewes | Pipe Wrench | pipe wrenches |
| 1,760,544 | May 27, 1930 | F.H. Dickson | Wrench | pipe wrenches |
| 1,778,748 | Oct. 21, 1930 | L.G. Bayner | Wrench | pipe wrenches |
| 1,862,002 | Jun. 07, 1932 | A.O. Brungardt | Pipe Wrench | pipe wrenches |
| 2,385,654 | Sep. 25, 1945 | G.F. Seashore | Wrench | wrench jaw components |
