| Patents for N. K. Ellsworth |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 98,811 | Jan. 11, 1870 | S.M. Snyder | Improvement in rotary engines | rotary steam engines |
| 109,915 | Dec. 06, 1870 | C.F. Linscott | Improvement in miter-boxes | miter boxes |
| 119,875 | Oct. 10, 1871 | C.M. Nichols | Divider | dividers |
| 130,036 | Jul. 30, 1872 | T. Hagerty | Improvement in the Construction of Compasses | compasses |
| 130,037 | Jul. 30, 1872 | T. Hagerty | Improvement in the Construction of Compasses | compasses |
| 130,038 | Jul. 30, 1872 | T. Hagerty | Improvement in the Construction of Compasses | dividers |
| 139,149 | May 20, 1873 | C.F. Henis | Improvement in Saw Filing Machines | saw sharpening tools |
| 151,188 | May 19, 1874 | J.W. Young | Improved Croze | planes |
| 216,668 | Jun. 17, 1879 | W.W. Giles | Improvement in drag-sawing machines | drag saws |
