| All Patents in class 221 |
Patents 61 -
75
of 119
      |
| Number | Date | Patentee | Title | Type |
| 1,549,519 | Aug. 11, 1925 | E.B. Stimpson | Feeding mechanism for rivet-setting machines | riveting machines |
| 1,549,520 | Aug. 11, 1925 | E.B. Stimpson | Feeding mechanism for rivet-setting machines | riveting machines |
| 1,558,079 | Oct. 20, 1925 | E.W. Duston, R.S. Crosby | Feeder for automatic metal-working machines | screw machines |
| 1,583,904 | May 11, 1926 | D.R. Tanner | Unstacker | sawmill accessories |
| 1,602,130 | Oct. 05, 1926 | E.B. Stimpson | Feeding mechanism for rivet-setting machines | riveting machines |
| 1,603,814 | Oct. 19, 1926 | E.B. Stimpson | Rivet-feeding mechanism | riveting machines |
| 1,651,976 | Dec. 06, 1927 | E.B. Stimpson | Rivet-setting machine | riveting machines |
| 1,651,977 | Dec. 06, 1927 | E.B. Stimpson | Rivet-setting machine | riveting machines |
| 1,653,674 | Dec. 27, 1927 | E.B. Stimpson | Machine for feeding and driving lacing hooks and the like | shoe and boot making machines |
| 1,667,397 | Apr. 24, 1928 | E.B. Stimpson | Rivet-feeding mechanism | riveting machines |
| 1,667,398 | Apr. 24, 1928 | E.B. Stimpson | Rivet-feeding mechanism | riveting machines |
| 1,667,399 | Apr. 24, 1928 | E.B. Stimpson | Rivet-feeding mechanism | riveting machines |
| 1,667,400 | Apr. 24, 1928 | E.B. Stimpson | Rivet-feeding mechanism | riveting machines |
| 1,684,747 | Sep. 18, 1928 | E.B. Stimpson | Feed mechanism | riveting machines |
| 1,687,134 | Oct. 09, 1928 | W.S. Gilmour, J.M. Lynch | Machine for feeding headed blanks | |
