| Patents for Dwight Slate |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 41,646 | Feb. 16, 1864 | D. Slate | Improved apparatus for grinding cutter-bits for rifling-machines | |
| 46,152 | Jan. 31, 1865 | D. Slate | Improvement in turning-lathes | metal lathes |
| 89,177 | Apr. 20, 1869 | D. Slate | Improved Shipping Apparatus for Metal Planers | metal planers |
| 126,160 | Apr. 30, 1872 | D. Slate | Improvement in tool for grinding lathe-centers | lathe center grinders |
| 146,287 | Jan. 06, 1874 | D. Slate | Improvement in Milling-Machines | milling machines |
| 172,664 | Jan. 25, 1876 | D. Slate | Tool Holder for Metal Turning Lathes | lathe tool holders and tool posts |
| 243,806 | Jul. 05, 1881 | D. Slate | Drill-chuck | drill chucks |
| 251,305 | Dec. 20, 1881 | D. Slate | Lathe-Chuck | metal lathe accessories and attachments |
| 258,236 | May 23, 1882 | D. Slate, G.W. Laraway | Pulp-molding machinery | |
| 326,889 | Sep. 22, 1885 | D. Slate | Gear-Cutter | gear making machines |
| 347,969 | Aug. 24, 1886 | D. Slate | Drilling-machine | drill presses |
| 404,773 | Jun. 04, 1889 | W.H. Bunce, D. Slate, J. Rodda | Machine for packaging postal-cards | |
