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| All Patents in class 411/461 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,067,541 | Jul. 15, 1913 | C.A. Palmgren | Stapling device | staplers | |
| 1,756,385 | Apr. 29, 1930 | H.V. Rau | Pronged fastener | ||
| 1,959,360 | May 22, 1934 | A.C. Heyser | Clamp Nail | nails | |