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| Patents for Treffle J. Leveque | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,205,622 | Sep. 14, 1965 | T.J. Leveque | Rotatable grinding and surfacing tool | handheld power sanders | |
| 3,287,859 | Nov. 29, 1966 | T.J. Leveque | Rotatable grinding and surfacing tool | handheld power sanders | |
| 3,334,447 | Aug. 08, 1967 | T.J. Leveque | Sanding machine | handheld power sanders | |