| Patents for Martin E. Hershey |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 289,098 | Nov. 27, 1883 | M.E. Hershey | Draft Attachment for Portable Engines | portable steam engines |
| 367,912 | Aug. 09, 1887 | M.E. Hershey | Traction Engine | steam traction engines |
| 375,815 | Jan. 03, 1888 | M.E. Hershey | Traction Engine | steam traction engines |
| 444,980 | Jan. 20, 1891 | M.E. Hershey | Traction Engine or Road Roller | steam traction engines |
| 479,273 | Jul. 19, 1892 | M.E. Hershey | Piston-valve | steam engine valves |
| 603,189 | Apr. 26, 1898 | M.E. Hershey, B.T. Allen | Motor-governor | steam engine governors |
