All Patents in class 74/441 |
Patents 1 -
10
of 42
      |
Picture | Number | Date | Patentee | Title |
 | 206,067 | Jul. 16, 1878 | R. Allison | Feed Screw and Nut For Rock Drills, etc. |
 | 253,266 | Feb. 07, 1882 | S. Darling | Screw Nut |
| 439,660 | Nov. 04, 1890 | A. Holmquist | Feed Screw and Nut for the Same |
 | 458,325 | Aug. 25, 1891 | A.T. Gifford | Milling-machine |
 | 513,683 | Jan. 30, 1894 | F. Holz | Milling Machine |
| 520,918 | Jun. 05, 1894 | J. Flather | Adjustable Stop for Taper Turning Lathes |
 | 525,771 | Sep. 11, 1894 | E.H. Parks | Mechanism for Taking Up Lost Motion |
| 525,780 | Sep. 11, 1894 | J. Boynton | Mechanism for Taking Up Lost Motion |
| 555,604 | Mar. 03, 1896 | W.A. Keyser | Feed Screw for Rock Drills |
 | 596,232 | Dec. 28, 1897 | F.E. Schmitt | Roller-frame adjustment for sanders |