| Patents for Leo O'Donnell |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 764,109 | Jul. 05, 1904 | N.D. Chard | Automatic stop for lathe-carriages |
 | 764,609 | Jul. 12, 1904 | W. Lodge | Boring Tool |
 | 766,488 | Aug. 02, 1904 | J.H. Blair | Turret Attachment for Lathe Carriages |
 | 767,387 | Aug. 16, 1904 | N.D. Chard | Wheel Rim Finishing Machine |
 | 773,196 | Oct. 25, 1904 | N.D. Chard | Diameter Gage for Lathes |
 | 780,704 | Jan. 24, 1905 | N.D. Chard | Gearing for Headstocks for Lathes |
 | 790,872 | May 23, 1905 | N.D. Chard | Lathe-Apron |
 | 818,632 | Apr. 24, 1906 | C.F. Laur | Variable Speed Mechanism |
| | 890,333 | Jun. 09, 1908 | N.D. Chard, M. Shipley | Variable-speed mechanism |
| | 890,334 | Jun. 09, 1908 | N.D. Chard, M. Shipley | Variable-speed mechanism |
