| All Patents in class 72/414 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 804X | Nov. 20, 1807 | I. Jennings | Making thimbles for the sails of ships | shipwright |
| 30,080 | Sep. 18, 1860 | A. Morton | Trip Hammer | trip and helve hammers |
| 147,184 | Feb. 03, 1874 | R.A. Smith | Machines for Forming Sheet-Metal Caps | drop hammers |
| 273,382 | Mar. 06, 1883 | F.R. Packham | Crimping Tongs | tinsmith |
| 354,657 | Dec. 21, 1886 | L.L. Rowe | Crimping tool | pliers |
| 551,064 | Dec. 10, 1895 | C.C. Tyler | Milling-cutter | milling machine cutters |
| 905,074 | Nov. 24, 1908 | C. Hiller | Pliers | pliers |
| 1,162,439 | Nov. 30, 1915 | W.A. Bernard | Hand Tool | |
| 1,983,851 | Dec. 11, 1934 | J. Gualtiere | Manually operated rivet setter | riveting machines |
| 2,163,715 | Jun. 27, 1939 | F.P. Stull | Method of and Tool for Shaping and Ironing Sheet Metal | sheet metal |
| 2,206,812 | Jul. 02, 1940 | W.H. Fitzgerald, R.P. Fitzgerald | Drop hammer die and method of forming same | drop hammers |
| 2,263,680 | Nov. 25, 1941 | W.H. Fitzgerald, R.P. Fitzgerald | Drop hammer | drop hammers |
| 2,744,315 | May 08, 1956 | R.P. Fitzgerald | Method and apparatus for die-forging articles from blanks of normally rigid material | drop hammers |
