| Patents for William H. Allen |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 3,508X | Apr. 25, 1822 | W.H. Allen | Attaching rigging to mast heads | boats and ships |
| 41,688 | Feb. 23, 1864 | J.B. Dougherty | Improvement in machines for making splints for barrel-hoops | hoop making machines |
| 93,873 | Aug. 17, 1869 | A. Gaudron | Improvement in sawing-machines | human powered machines |
| 220,699 | Oct. 21, 1879 | C.L. Butler | Improvement in pocket-knives | pocket knives |
| 272,903 | Feb. 27, 1883 | D.C. Rogers | Mitering-machine | miter boxes |
| 275,385 | Apr. 10, 1883 | M.V. Howe | Machine for sandpapering chair-seats | chair maker |
| 431,714 | Jul. 08, 1890 | H.A. Axtell | Sawing Machine | circular saws |
| 1,348,875 | Aug. 10, 1920 | J.E. Hastings | Micrometer | micrometers |
