| All Patents in class 30/101 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 329,208 | Oct. 27, 1885 | G. Plumpton | Combination Tool | pliers |
| 396,753 | Jan. 29, 1889 | F.C. Knowles, R.B. Magee | Pipe Tongs | pipe tongs |
| 514,000 | Feb. 06, 1894 | J. Green | Combined Wrench and Cutter | pipe wrenches |
| 517,393 | Mar. 27, 1894 | H.A. Post | Combination Wrench | pipe and nut combination wrenches |
| 522,471 | Jul. 03, 1894 | J. Kohler | Combination Tool For Pipe Fitting | pipe tongs |
| 579,592 | Mar. 30, 1897 | H.F. Last | Compound metal-working machine | combined anvil vises and drills |
| 583,892 | Jun. 08, 1897 | R.H. Daniels | Combination Wrench | pipe wrenches |
| 647,685 | Apr. 17, 1900 | J. Stewart | Combined Pipe Wrench and Cutter | pipe wrenches |
