| Patents for Cummings Machine Works |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 529,713 | Nov. 27, 1894 | H.H. Cummings | Speed Changing and Reversing Mechanism | metalworking variable speed mechanisms |
| 529,714 | Nov. 27, 1894 | H.H. Cummings | Speed Changing and Reversing Mechanism | metalworking variable speed mechanisms |
| 529,715 | Nov. 27, 1894 | H.H. Cummings | Speed Changing, Reversing and Stopping Mechanism | |
| 1,463,116 | Jul. 24, 1923 | A.M. English | Sewing machine attachment for spiral stitching | |
| 2,490,255 | Dec. 06, 1949 | H.A. Chase | Portable power actuated rim-driven annular saw | handheld power tools |
