| All Patents in class 81/70 |
Patents 16 -
30
of 64
      |
| Number | Date | Patentee | Title | Type |
| 540,763 | Jun. 11, 1895 | B.F. Slocum | Improved Chain Wrench | chain and strap wrenches |
| 542,136 | Jul. 02, 1895 | J.C. Booth | Chain Pipe Wrench | chain and strap wrenches |
| 555,931 | Mar. 10, 1896 | G.F. Crass | Chain Pipe Wrench | chain and strap wrenches |
| 570,213 | Oct. 27, 1896 | G. Amborn, Jr. | Chain Wrench | chain and strap wrenches |
| 570,214 | Oct. 27, 1896 | G. Amborn, Jr. | Chain Wrench | chain and strap wrenches |
| 577,653 | Feb. 23, 1897 | G. Amborn, Jr., W.J. Grinden | Chain Wrench | chain and strap wrenches |
| 577,654 | Feb. 23, 1897 | G. Amborn, Jr., W.J. Grinden | Chain Wrench | chain and strap wrenches |
| 653,096 | Jul. 03, 1900 | S. Kreisher | Pipe Wrench | chain and strap wrenches |
| 653,943 | Jul. 17, 1900 | G.W. Bufford | Chain Wrench | chain and strap wrenches |
| 674,194 | May 14, 1901 | W.H. Brock | Chain Wrench | chain and strap wrenches |
| 698,780 | Apr. 29, 1902 | G. Amborn, Jr. | Chain Pipe Wrench | chain and strap wrenches |
| 698,794 | Apr. 29, 1902 | G.W. Bufford | Chain Wrench | chain and strap wrenches |
| 743,058 | Nov. 03, 1903 | G.W. Bufford | Chain Wrench | chain and strap wrenches |
| 769,042 | Aug. 30, 1904 | G.W. Bufford, G. Amborn | Improvements in Chain Pipe-Wrenches Having an Enclosed Chain-Receiving Passage | chain and strap wrenches |
| 769,043 | Aug. 30, 1904 | G. Amborn | Chain Wrench | chain and strap wrenches |
