| Patents for William H. Gray |
Patents 1 -
10
of 18
      |
| Picture | Number | Date | Patentee | Title |
 | 142,460 | Sep. 02, 1873 | W.H. Gray | Improvement in planing-machines |
 | 151,675 | Jun. 02, 1874 | W.H. Gray, S.A. Woods | Improvement in planing-machines |
 | 210,420 | Dec. 03, 1878 | W.H. Gray | Grafting Implement |
 | 278,128 | May 22, 1883 | W.H. Gray | Shingle-sawing machine |
 | 314,666 | Mar. 31, 1885 | W.H. Gray | Feed mechanism for wood-planing machines |
 | 315,406 | Apr. 07, 1885 | W.H. Gray, A. Hutchinson | Planer |
 | 320,434 | Jun. 16, 1885 | W.H. Gray | Pulley and belt-shipper for machinery |
 | 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 |
 | 337,491 | Mar. 09, 1886 | W.H. Gray | Presser-bar for planing-machines |
