| Patents for E. M. Allen |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
 | 810,634 | Jan. 23, 1906 | H.L. Flather | Change Speed Gearing for Lathes |
 | 868,074 | Oct. 15, 1907 | E.E. Clark | Shaft Liner and Leveler |
 | 886,721 | May 05, 1908 | L.G. McKnight | Machine for Making Chair Seats |
 | 962,690 | Jun. 28, 1910 | H. Allen | Driving mechanism for drill-spindles |
 | 963,895 | Jul. 12, 1910 | H.L. Houghton | Ratchet-Tool |
 | 1,010,574 | Dec. 05, 1911 | W.W. Bird, L.W. Rawson | Raising and lowering mechanism |
 | 1,011,183 | Dec. 12, 1911 | A.J. Gifford | Feed-lever connection for drills |
 | 1,018,222 | Feb. 20, 1912 | A.W. Whitcomb | Tail-stock-clamping mechanism |
 | 1,056,243 | Mar. 18, 1913 | A.W. Whitcomb | Double-acting clutch |
 | 1,075,280 | Oct. 07, 1913 | H. Allen | Gearing |
