| Patents for Collins Co. |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 5,731 | Aug. 22, 1848 | E.K. Root | Machinery for dressing axes | tool making machines |
| 30,691 | Nov. 20, 1860 | F.F. Smith | Improvements in Making Plow-Plates From Molten Steel | plows |
| 41,464 | Feb. 02, 1864 | F.F. Smith | Improvement in Cooling and Tempering Cast Steel Plow Plates | plows |
| RE1,705 | Jun. 21, 1864 | F.F. Smith | Making Plow Plates | plows |
| RE1,706 | Jun. 21, 1864 | F.F. Smith | Making Plow Plates | plows |
| 82,085 | Sep. 15, 1868 | L. Chapman | Improvement in Wrenches | nut wrenches |
| 94,710 | Sep. 14, 1869 | L. Chapman | Wrench | wrench jaw components |
| 99,059 | Jan. 25, 1870 | L. Chapman | Improved Milling-Machine | wood shapers |
| RE4,537 | Aug. 29, 1871 | S.W. Collins (deceased) | Improvements in the Manufacture of Edge-Tools and Implements | |
| RE4,538 | Aug. 29, 1871 | S.W. Collins (deceased) | Improvements in the Manufacture of Edge Tools | |
| 123,554 | Feb. 13, 1872 | L. Chapman | Improvment in the Manufacture of Wrench-Heads | tool making machines |
| 135,406 | Feb. 04, 1873 | L. Chapman | Improvement in Dies for Making Wrench-Heads | tool making machines |
| RE5,294 | Feb. 25, 1873 | L.E. Smith, L. Jordan | Wrenches | wrench handle components |
| 137,052 | Mar. 25, 1873 | L. Chapman | Improvement in Dies for Forming Wrench-Heads | tool making machines |
| 137,053 | Mar. 25, 1873 | L. Chapman | Improvements in the Manufacture of Wrench-Heads | wrench jaw components |
