Dufour; Jean G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dufour; Jean G..The latest application filed is for "quick rewind chalk line reel".
- Dufour; Jean G. - Quebec CA
| Patent | Date |
|---|---|
| Quick rewind chalk line reel Grant 5,470,029 - Dufour November 28, 1 | 1995-11-28 |
| Stud finder Grant D339,074 - Dufour September 7, 1 | 1993-09-07 |
| Stud finder with level indicator Grant 5,148,108 - Dufour September 15, 1 | 1992-09-15 |
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