| Patents for James H. Layman |
Patents 61 -
75
of 88
      |
| Number | Date | Patentee | Title | Type |
| D8,397 | Jun. 15, 1875 | H.L. Fry | Design for a chain-pump curb | |
| 188,154 | Mar. 06, 1877 | W.D. Leavitt, B.J. Thurston | Improvement in gas and water regulators | |
| 212,409 | Feb. 18, 1879 | J.J. Spilker | Improvement in miter-machines | miter machines |
| 220,626 | Oct. 14, 1879 | W.D. Leavitt | Improvement in machines for manufacturing flour | grist mills |
| 233,159 | Oct. 12, 1880 | J.B. Mooney | Steamboat-staging | nautical |
| 233,160 | Oct. 12, 1880 | J.B. Mooney | Steamboat-staging | nautical |
| 240,912 | May 03, 1881 | W.D. Leavitt | Baling-press | hay or straw binders |
| 242,468 | Jun. 07, 1881 | J. Mills | Hub-lathe | wood lathes |
| 259,012 | Jun. 06, 1882 | H. Heyns | Cutter-head | cutterheads |
| 271,043 | Jan. 23, 1883 | J.H. Davis | Improvements in Methods of Manufacturing Cast Jointed Tools | pliers |
| 283,779 | Aug. 28, 1883 | J.L. Haven | Tobacco-cutter | tobacco machinery |
| 285,874 | Oct. 02, 1883 | J.F. Bollman | Tree-feller and block-dresser | tree felling machines |
| 326,517 | Sep. 15, 1885 | J. Powell | Lubricator | oil cups |
| 326,518 | Sep. 15, 1885 | J. Powell | Lubricator | oil cups |
| 326,519 | Sep. 15, 1885 | J. Powell | Lubricator | oil cups |
