| Patents for Elitha F. Layman |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 113,651 | Apr. 11, 1871 | G.A. Gray, Jr. | Improvement in turning and boring-mills | vertical boring mills |
| 114,670 | May 09, 1871 | G.A. Gray, Jr. | Improvement in Railroad Car-Axle Lathes | axle lathes |
| 115,424 | May 30, 1871 | A.J. Bower | Improvement in Lathes for Turning Axles | wood lathes |
| 117,896 | Aug. 08, 1871 | J. Lemman | Improvement in drilling-machines | drill presses |
| D5,268 | Sep. 19, 1871 | W.H. Doane | Design for a band-saw frame | bandsaws |
| 120,641 | Nov. 07, 1871 | I.S. Hamilton | Improvement in Pipe Wrenches | pipe wrenches |
