| Patents for J. A. Service |
Patents 16 -
24
of 24
      |
| Number | Date | Patentee | Title | Type |
| 68,537 | Sep. 03, 1867 | J.M. Smith | Lathe Chuck | metal lathe chucks |
| 68,698 | Sep. 10, 1867 | A.B. Lawther, C. Coester, Jr. | Edge Tool Grinder | tool grinders |
| 69,883 | Oct. 15, 1867 | N. Wilton | Lathe Work Holder | lathe dogs |
| 71,370 | Nov. 26, 1867 | E.S. Fisher | Combination Center Punch and Dividers | calipers |
| 73,251 | Jan. 14, 1868 | H.W. Knowlton | Husking Corn | miller |
| 74,306 | Feb. 11, 1868 | P.C. Chipron | Corn Sheller | miller |
| 77,439 | May 05, 1868 | S. Anderson | Improvement in saws | saw teeth |
| 78,940 | Jun. 16, 1868 | W.M. Doty | Improved washing-machine | washing machines |
| 81,611 | Sep. 01, 1868 | J.W. Douglas | Grindstone Frame | grinders |
