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| All Patents in class 451/298 | |||||
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| Number | Date | Patentee | Title | Type | |
| 559,166 | Apr. 28, 1896 | G.H. Derby | Finishing-machine | sanding machines | |
| 707,621 | Aug. 26, 1902 | J.M. Nash | Abrading mechanism | sanding machines | |
| 2,552,611 | May 15, 1951 | E.A. Reibig, C.A. Wiken | Endless tool carrier chain | metalworking machine mechanisms | |