| All Patents in class 221/238 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 246,933 | Sep. 13, 1881 | S.L. Worsley | Machine for Feeding Screw Blanks | metal threading machines |
| 579,357 | Mar. 23, 1897 | J.W. Brown, Jr. | Automatic Chucking Lathe | automatic lathes |
| 622,749 | Apr. 11, 1899 | S.L. Worsley | Feeding Attachment for Turret Lathes | turret lathes |
| 1,651,976 | Dec. 06, 1927 | E.B. Stimpson | Rivet-setting machine | riveting machines |
| 3,095,119 | Jun. 25, 1963 | H. Gill | Conveyor Mechanism | workpiece changers and storage mechanisms |
| 3,283,551 | Nov. 08, 1966 | R.H. Armbruster, D.H. Kraft | Automatic feed mechanism for a press | metalworking presses |
| 3,352,434 | Nov. 14, 1967 | W.H. Zuercher | Stick placer apparatus | woodworking material handling machines |
| 3,480,180 | Nov. 25, 1969 | B.K. Hook, R.J. Nelsen | Blank feeding apparatus | can making machines |
