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| Patents for Ossian G. Holmes | |||||
| Number | Date | Patentee | Title | Type | |
| 2,278,267 | Mar. 31, 1942 | O.G. Holmes | Collet | collets and collet holders | |
| 2,627,618 | Feb. 10, 1953 | O.G. Holmes | Automatic Screw and Similar Machine | screw machines | |