| All Patents in class 99/575 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 198X | Jan. 08, 1798 | T. Bruff, Sr. | Coffee Grinding | coffee mills |
| 4,504X | Jul. 31, 1826 | J. Webster | Machine for grinding shelled corn | miller |
| 4,877X | Sep. 13, 1827 | W. Torrey | Cast iron mill for grinding bark | bark processing machines |
| 5,049X | Mar. 27, 1828 | A. Bull | Machine for grinding bark | bark processing machines |
| 5,381X | Mar. 03, 1829 | S. Cook | Trumpet mouthed mill for grinding paints | paint grinding mills |
| 8,586X | Jan. 13, 1835 | I. Adams | Machine for breaking coffee berries | coffee mills |
