| Patents for George H. Knight |
Patents 46 -
60
of 140
      |
| Number | Date | Patentee | Title | Type |
| 69,383 | Oct. 01, 1867 | M.L. Andrew | Improvement in rotary engines | rotary steam engines |
| 70,771 | Nov. 12, 1867 | C.L. Zeidler | Improvement in mortising machines | mortising machines |
| 70,788 | Nov. 12, 1867 | T. Birch, A. Sowden | Improvement in grinding machine for circular saws | making sawblades |
| 71,313 | Nov. 26, 1867 | P.P. Lane | Improvement in self-lubricating journal-box | woodworking machine lubrication |
| 71,531 | Nov. 26, 1867 | O.H. Perry | Molding and sawing machine | molders |
| 72,608 | Dec. 24, 1867 | C.M. Currey | Improvement in mechanical movement | woodworking machine mechanisms |
| 72,648 | Dec. 24, 1867 | D. Lewers | Improvement in stave-machine | barrel making machines |
| 74,495 | Feb. 18, 1868 | J. Bussey | Corkscrew | mechanical cork extractors |
| 77,373 | Apr. 28, 1868 | D.D. Hardy | Rotary Engine | rotary steam engines |
| 77,825 | May 12, 1868 | J.N. Robbins, W. Shumard, A. Lyon | Improvement in saw-set | saw sets |
| 78,594 | Jun. 02, 1868 | J.T. Cody, T. Holland | Lubricator | oil cups |
| 78,919 | Jun. 16, 1868 | A.P. Bonte | Elliptical lathe | wood lathes |
| 83,573 | Oct. 27, 1868 | W.H. Whitlock | Improvement in turning-tool | turning chisels |
| 85,819 | Jan. 12, 1869 | J.L. Haven | Improvement in grindstone-journal boxes | bench or pedestal grinders |
| D3,412 | Mar. 23, 1869 | J.L. Haven | Design for a barn-door hanger | |
