| Patents for William H. Gray |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 142,460 | Sep. 02, 1873 | W.H. Gray | Improvement in planing-machines | wood planers |
| 151,675 | Jun. 02, 1874 | W.H. Gray, S.A. Woods | Improvement in planing-machines | wood planers |
| 210,420 | Dec. 03, 1878 | W.H. Gray | Grafting Implement | |
| 278,128 | May 22, 1883 | W.H. Gray | Shingle-sawing machine | shingle machines |
| 314,666 | Mar. 31, 1885 | W.H. Gray | Feed mechanism for wood-planing machines | woodworking machine stockfeeding mechanisms |
| 315,406 | Apr. 07, 1885 | W.H. Gray, A. Hutchinson | Planer | wood planers |
| 320,434 | Jun. 16, 1885 | W.H. Gray | Pulley and belt-shipper for machinery | woodworking machine mechanisms |
| 321,596 | Jul. 07, 1885 | W.H. Gray | Fastening for cutter-heads | |
| 324,056 | Aug. 11, 1885 | W.H. Gray, A.B. Hutchinson, J.F. Welch | Wood-planing machine | wood planers |
| 337,491 | Mar. 09, 1886 | W.H. Gray | Presser-bar for planing-machines | wood planers |
| 339,877 | Apr. 13, 1886 | W.H. Gray | Planing-machine | wood planers |
| 355,011 | Dec. 28, 1886 | W.H. Gray | Circular sawing machine | circular ripsaws |
| 355,012 | Dec. 28, 1886 | W.H. Gray | Wood-surfacing machine | wood planers |
| 358,972 | Mar. 08, 1887 | W.H. Gray | Wood-planing-machine | |
| 360,150 | Mar. 29, 1887 | W.H. Gray | Gearing for wood-planer feeds | woodworking machine stockfeeding mechanisms |
