| Patents for Edward H. N. Clarkson |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 201,749 | Mar. 26, 1878 | W.H. Kesler, E.H. Clarkson | Improvement in sash-pulleys | door and window hardware |
| RE8,586 | Feb. 18, 1879 | E.H. Clarkson, W.H. Kesler | Improvement in sash-cord guides | |
| 216,722 | Jun. 24, 1879 | E.H. Clarkson | Mortising-machine | mortising machines |
| RE9,221 | Jun. 01, 1880 | E.H. Clarkson | Mortising-machine | mortising machines |
| 330,564 | Nov. 17, 1885 | E.H. Clarkson | Planing and matching machine | matchers |
| 869,646 | Oct. 29, 1907 | J. Peters, E.H. Clarkson | Machine for framing timbers | |
