| Patents for William Evans |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 409 | Sep. 25, 1837 | C. Parkhurst | Improvement in many-chambered fire-arms |
 | 67,395 | Aug. 06, 1867 | W. Evans, W.L. Aldrich | Improvement in Machines for Twisting Augers |
 | 88,559 | Apr. 06, 1869 | R.E. Hayden, W. Evans | Improvement in Molds for Casting Augers |
 | 144,969 | Nov. 25, 1873 | W. Evans | Machines for Forging Hammers |
 | 332,242 | Dec. 15, 1885 | W. Evans | Drill-press |
 | 335,184 | Feb. 02, 1886 | W. Evans | Drilling-machine |
| | 374,181 | Dec. 06, 1887 | W. Evans | Attachment for drilling-machines |
| | 436,078 | Sep. 09, 1890 | W. Evans | Screw Cutting Attachment |
 | 706,191 | Aug. 05, 1902 | W.H. Evans, W. Evans, R.L. Morton, W.S. Morton, S.S. Morton | Traction Engine |
