| All Patents in class 81/69 |
Patents 16 -
30
of 30
      |
| Number | Date | Patentee | Title | Type |
| 822,017 | May 29, 1906 | J. Roemer | Pipe Wrench | chain and strap wrenches |
| 871,958 | Nov. 26, 1907 | J. Roemer | Pipe Wrench | chain and strap wrenches |
| 900,861 | Oct. 13, 1908 | M.E. Layne, S.N. Hall | Wrench | chain and strap wrenches |
| 963,903 | Jul. 12, 1910 | G.A. Lane | Pipe Tongs | chain and strap wrenches |
| 1,004,792 | Oct. 03, 1911 | W.L. Bessolo | Pipe Wrench | pipe wrenches |
| 1,008,939 | Nov. 14, 1911 | W.L. Bessolo | Pipe Wrench | chain and strap wrenches |
| 1,043,813 | Nov. 12, 1912 | M.A. Duquett | Chain Pipe-Wrench | chain and strap wrenches |
| 1,078,426 | Nov. 11, 1913 | G.M. Gealy | Pipe Wrench | chain and strap wrenches |
| 1,327,309 | Jan. 06, 1920 | G.W. Bufford | Chain Pipe Wrench | chain and strap wrenches |
| 1,415,772 | May 09, 1922 | W.L. Bessolo | Flexible Chain Wrench | chain and strap wrenches |
| 1,416,685 | May 23, 1922 | G.W. Bufford | Chain Pipe Wrench | chain and strap wrenches |
| 1,542,359 | Jun. 16, 1925 | W.L. Bessolo | Tongs | chain and strap wrenches |
| 1,548,344 | Aug. 04, 1925 | W.L. Bessolo | Wrench | chain and strap wrenches |
| 1,659,081 | Feb. 14, 1928 | R.B. Morris, F.J. Carnelli | Wrench | chain and strap wrenches |
| 2,200,093 | May 07, 1940 | J.W. McNeil | Pipe Wrench | chain and strap wrenches |
