| Patents for Rollstone Machine Works |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 11,511 | Aug. 08, 1854 | S.W. Ruggles | Fan-blower |
 | 16,814 | Mar. 10, 1857 | C.P. Wardwell | Circular sawing machine |
 | 26,192 | Nov. 22, 1859 | C. Kilburn | Lathe attachment |
 | 58,498 | Oct. 02, 1866 | J. Goodrich, E.G. Stanley | Angular saw-gage |
 | 89,652 | May 04, 1869 | J. Goodrich, H.J. Colburn | Improvement in self-oiling pulleys |
 | 110,451 | Dec. 27, 1870 | C.M. Flint | Improvement in saw-mills |
 | 111,632 | Feb. 07, 1871 | J. Goodrich, H.J. Colburn | Improvement in planing-machines |
 | 112,759 | Mar. 14, 1871 | H.K. White | Lathe dog |
 | 114,129 | Apr. 25, 1871 | H.J. Colburn, J. Goodrich | Improvement in self-oiling pulleys |
 | 244,741 | Jul. 26, 1881 | H.J. Colburn | Wood-turning lathe |