| Patents for E. A. Hemmenway |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| RE6,367 | Apr. 06, 1875 | E. Hersey | Improvement in machines for cutting the heads and bottoms of wood boxes | box making machines |
| 166,963 | Aug. 24, 1875 | M. Bray | Improvement in machines for drilling rivets | rivet making machines |
| 188,773 | Mar. 27, 1877 | M. Bray | Improvement in machines for drilling the shanks of rivets | rivet making machines |
| 202,165 | Apr. 09, 1878 | G.B. Goddard | Improvement in Mallet-Handles | hammer handles |
| 216,267 | Jun. 10, 1879 | C.H. Alden, T.E. Gifford | Improvement in Carpenter's Combination Tools | combination saws |
| 228,712 | Jun. 08, 1880 | E.F. Woodbury, G. Patten, J. Merrill, J.A. Woodbury | Air-Engine | hot air engines |
| 250,425 | Dec. 06, 1881 | H.J. Colburn | Circular sawing machine | tablesaws |
| 250,712 | Dec. 13, 1881 | H.J. Colburn | Tilting-table saw | tablesaws |
| 280,259 | Jun. 26, 1883 | F.M. Stevens, C.E. Moore | Lathe | metal lathes |
