| Patents for Edward H. Parks |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 323,723 | Aug. 04, 1885 | E.H. Parks | Boring Machine | metalworking machines |
| 333,478 | Dec. 29, 1885 | E.H. Parks | Grinding Machine | cylindrical grinders |
| 429,700 | Jun. 10, 1890 | E.H. Parks | Grinding Machine | grinders |
| 505,606 | Sep. 26, 1893 | E.H. Parks | Gear-cutting machine | gear making machines |
| 525,771 | Sep. 11, 1894 | E.H. Parks | Mechanism for Taking Up Lost Motion | |
| 624,676 | May 09, 1899 | E.H. Parks | Gear-cutting machine | gear making machines |
| 797,216 | Aug. 15, 1905 | J.J. Thacher, E.H. Parks | Grinding-Machine | |
