| Patents for Hollands Mfg. Co. |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 486,235 | Nov. 15, 1892 | A.N. Parnall | Pipe-Wrench | pipe wrenches |
| 597,681 | Jan. 18, 1898 | M.G. Lewis | Vise for holding bicycle frames | bench vises |
| 600,830 | Mar. 15, 1898 | R.B. Hough | Pipe-vise | vises |
| D29,338 | Sep. 13, 1898 | R. Hough | Design For A Wrench-Jaw | wrench jaw components |
| 664,361 | Dec. 18, 1900 | H.F. Renner | Pipe-vise | pipe and chain vises |
| 680,439 | Aug. 13, 1901 | H.F. Renner | Bench-vise | bench vises |
| CA-73,933 | Nov. 26, 1901 | H.F. Renner | Pipe vise | pipe and chain vises |
| 700,087 | May 13, 1902 | H.F. Renner | Pipe Wrench | pipe wrenches |
| 758,334 | Apr. 26, 1904 | H.F. Renner | Pipe-cutter | tubing cutters |
| 1,807,916 | Jun. 02, 1931 | L.W. Jones | Pipe vise stand | vise accessories |
| 1,807,917 | Jun. 02, 1931 | L.W. Jones | Chain pipe vise | pipe and chain vises |
