| Patents for Collins Co. |
Patents 1 -
10
of 20
      |
| Picture | Number | Date | Patentee | Title |
 | 5,731 | Aug. 22, 1848 | E.K. Root | Machinery for dressing axes |
 | 30,691 | Nov. 20, 1860 | F.F. Smith | Improvements in Making Plow-Plates From Molten Steel |
 | 41,464 | Feb. 02, 1864 | F.F. Smith | Improvement in Cooling and Tempering Cast Steel Plow Plates |
 | RE1,705 | Jun. 21, 1864 | F.F. Smith | Making Plow Plates |
 | RE1,706 | Jun. 21, 1864 | F.F. Smith | Making Plow Plates |
 | 82,085 | Sep. 15, 1868 | L. Chapman | Improvement in Wrenches |
 | 94,710 | Sep. 14, 1869 | L. Chapman | Wrench |
 | 99,059 | Jan. 25, 1870 | L. Chapman | Improved Milling-Machine |
 | 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 |
