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| All Patents in class 83/277 | |||||
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| Number | Date | Patentee | Title | Type | |
| 706,552 | Aug. 12, 1902 | B.F. Hall | Punching-machine | shoe and boot making machines | |
| 921,861 | May 18, 1909 | F.W. Matthiessen, Jr. | Metal Shearing Machine | metal shearing machines | |
| 1,406,310 | Feb. 14, 1922 | H.C. Walsh | Automatic feed mechanism for punch presses | punch presses | |