| All Patents in class 30/367 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 776,191 | Nov. 29, 1904 | T.J. Lynch | Implement for Opening Boxes or for Other Uses | |
| 781,947 | Feb. 07, 1905 | J.M. Stryhal, J.J. Hartley | Center Punch | punches |
| 783,749 | Feb. 28, 1905 | J.J. Hartley | Center Punch | punches |
| 789,520 | May 09, 1905 | J.A. Adell, J.L. Baltzer | Automatic prick-punch | punches |
| 843,655 | Feb. 12, 1907 | J.A. Adell, L.S. Starrett | Automatic Prick-Punch | center punches |
| 889,409 | Jun. 02, 1908 | F. Spalding | Automatic Center Punch | punches |
| 3,172,204 | Mar. 09, 1965 | J.A. Frey | Automatic center punch and the like | punches |
