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| Patents for Lawrence Farnsworth | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,994,538 | Aug. 01, 1961 | L. Farnsworth | Collet chuck having an axially stationary collet | work holding | |
| 2,998,259 | Aug. 29, 1961 | L. Farnsworth | Collet and chuck therefor | work holding | |