Dugan; Larry
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dugan; Larry.The latest application filed is for "anti-ovaling mechanical coupler".
- Dugan; Larry - Feasterville PA US
- Dugan; Larry - Boulder CO
| Patent | Date |
|---|---|
| Spinner blade Grant D700,270 - Bonner , et al. February 25, 2 | 2014-02-25 |
| Mechanical coupler Grant 6,904,835 - Dugan , et al. June 14, 2 | 2005-06-14 |
| Anti-ovaling mechanical coupler Grant 6,851,342 - Dugan , et al. February 8, 2 | 2005-02-08 |
| Anti-ovaling mechanical coupler App 20040149092 - Dugan, Larry ; et al. | 2004-08-05 |
| Mechanical coupler App 20040112186 - Dugan, Larry ; et al. | 2004-06-17 |
| Internal gripping pipe wrench Grant 6,675,679 - Dugan January 13, 2 | 2004-01-13 |
| Internal gripping pipe wrench App 20030010160 - Dugan, Larry | 2003-01-16 |
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