| Patents for William H. Allen |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
| | 3,508X | Apr. 25, 1822 | W.H. Allen | Attaching rigging to mast heads |
 | 41,688 | Feb. 23, 1864 | J.B. Dougherty | Improvement in machines for making splints for barrel-hoops |
 | 93,873 | Aug. 17, 1869 | A. Gaudron | Improvement in sawing-machines |
| | 204,317 | May 28, 1878 | M.W. Griffiths | Improvement in tire-upsetters |
 | 220,699 | Oct. 21, 1879 | C.L. Butler | Improvement in pocket-knives |
 | 272,903 | Feb. 27, 1883 | D.C. Rogers | Mitering-machine |
 | 275,385 | Apr. 10, 1883 | M.V. Howe | Machine for sandpapering chair-seats |
 | 431,714 | Jul. 08, 1890 | H.A. Axtell | Sawing Machine |
 | 1,348,875 | Aug. 10, 1920 | J.E. Hastings | Micrometer |
