| All Patents of Type: metal relieving attachments |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 521,510 | Jun. 19, 1894 | W.A. Robertson | Lathe for Relieving Taps | backing off lathes |
| 714,894 | Dec. 02, 1902 | B.M. Hanson | Relieving Attachment for Lathes | metal relieving attachments |
| 870,759 | Nov. 12, 1907 | H. Baerbalck | Relieving Mechanism for Engine Lathes | metal relieving attachments |
| 971,243 | Sep. 27, 1910 | F. Kropf, W.T. Johnson, E.W. Blum | Relieving Attachment for Lathes | metal relieving attachments |
| 980,975 | Jan. 10, 1911 | W.F. Groene, R.K. Le Blond | Relieving Attachment for Lathes | metal relieving attachments |
| 1,291,118 | Jan. 14, 1919 | P. Plantinga | Relieving Attachment for Lathes | metal relieving attachments |
| 1,339,983 | May 11, 1920 | W.H. Runge | Relieving attachment for lathes and the like | metal relieving attachments |
| 1,350,735 | Aug. 24, 1920 | B.J. Phillips | Relieving Attachment for Lathes and the Like | metal relieving attachments |
| 1,516,196 | Nov. 18, 1924 | A.B. Lindstrom | Plain Relieving Attachment for Lathes | metal relieving attachments |
| 1,555,403 | Sep. 29, 1925 | F.B. Cockburn | Relieving Attachment | metal relieving attachments |
| 2,125,304 | Aug. 02, 1938 | E.W. Miller | Cutter Relieving Means For Shaping Machines | metal relieving attachments |
| 2,192,370 | Mar. 05, 1940 | E. Wildhaber | Apparatus For Relieving Cutters | metal relieving attachments |
| 2,859,665 | Nov. 11, 1958 | B.H. Johnson, F.E. Birch | Apparatus for Relieving Portions of the Thread Flanks of Double Enveloping Worm Elements | metal relieving attachments |
