| Patents for Melvin A. Yeakley |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 476,028 | May 31, 1892 | M.A. Yeakley | Safety attachment for railway-trolleys |
 | 568,395 | Sep. 29, 1896 | M.A. Yeakley | Pneumatic hammer |
 | 693,939 | Feb. 25, 1902 | M.A. Yeakley | Pneumatic hammer |
 | 1,141,675 | Jun. 01, 1915 | M.A. Yeakley | Anti-friction bearing |
 | 1,146,834 | Jul. 20, 1915 | M.A. Yeakley | Trolley-catcher |
 | 1,335,310 | Mar. 30, 1920 | M.A. Yeakley | Internal-combustion engine |
 | 1,414,244 | Apr. 25, 1922 | M.A. Yeakley | Lubrication for engine valves |
 | 1,452,995 | Apr. 24, 1923 | M.A. Yeakley | Valve-operating connection |
