| Patents for H. C. Lee |
Patents 31 -
37
of 37
      |
| Number | Date | Patentee | Title | Type |
| 424,025 | Mar. 25, 1890 | A.H. Richardson | Machine for sharpening cutting-tools | sharpening machines |
| 425,386 | Apr. 08, 1890 | R.E. Nevin | Saw-mill set-works | sawmill set works |
| 427,690 | May 13, 1890 | F.A. Huntington | Crushing-mill | ore processing apparatus |
| 441,869 | Dec. 02, 1890 | L.R. Fulda | Hoop coupling | cooper |
| 445,110 | Jan. 20, 1891 | M.A. Graham | Gas Engine | gas and gasoline engines |
| 454,219 | Jun. 16, 1891 | H.H. Love | Wrench | socket wrenches |
| 473,343 | Apr. 19, 1892 | H.C. Rasner | Vise | woodworkers vises |
