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| All Patents in class 242/597.7 | |||||
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| Number | Date | Patentee | Title | Type | |
| 74,402 | Feb. 11, 1868 | C.B. Morse | Improvement in bobbins for spinning | ||
| 2,964,256 | Dec. 13, 1960 | A.H. Gorey | Continuous Film Magazine | projectors | |