| All Patents in class 74/615 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 317,149 | May 05, 1885 | A.J. Langelier | Heel-machine | cobbler |
| 654,659 | Jul. 31, 1900 | F. Marggraff | Automatic Stop Mechanism for Metal Working Machines | metalworking machine mechanisms |
| 787,339 | Apr. 11, 1905 | R.F. Massa | Attachment for Drop Hammers | drop hammers |
| 1,041,092 | Oct. 15, 1912 | J.M. Jones | Safety-guard for foot or screw presses | metalworking machine safety guards |
| 1,046,840 | Dec. 10, 1912 | W.T. Murphy | Safety device | metalworking presses |
| 1,545,929 | Jul. 14, 1925 | J.P. Udal | Press guard | metalworking machine safety guards |
| 1,938,778 | Dec. 12, 1933 | L.F. Nenninger | Cutter Guard | milling machine accessories |
| 2,240,915 | May 06, 1941 | W.H. Searjeant | Safety guard | metalworking machine safety guards |
| 2,571,528 | Oct. 16, 1951 | M. Braccio | Safety Guard Hammer and the Like | |
