| Patents for Leonard Fletcher Massey |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| GB-190,504,604 | Feb. 15, 1906 | H.F. Massey, L.F. Massey | Improvements in pneumatic power-hammers | drop hammers |
| GB-190,626,452 | Oct. 17, 1907 | H.F. Massey, L.F. Massey | Improvements in hammers and stamps worked by elastic fluids under pressure | drop hammers |
| GB-190,913,884 | May 05, 1910 | W.H. Snow, L.F. Massey | Improvements in hammers driven by steam or compressed air | drop hammers |
| GB-191,028,726 | Dec. 07, 1911 | W.H. Snow, L.F. Massey | Improvements in steam-hammers, air-hammers and other apparatus having pistons or the like actuated by the pressure of elastic fluids | drop hammers |
| 1,087,799 | Feb. 17, 1914 | W.H. Snow, L.F. Massey | Elastic-fluid hammer | steam hammers |
