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| All Patents in class 29/896.6 | |||||
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| Number | Date | Patentee | Title | Type | |
| 487,194 | Nov. 29, 1892 | F. Mossberg | Process of Making Cages for Antifriction Bearings | industrial machine bearings | |
| 3,470,598 | Oct. 07, 1969 | V. Berthelsen | Method of making structural elements | ||