Bridges; Donald Y.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bridges; Donald Y..The latest application filed is for "pipe couplings for misaligned or out-of-round pipes and expanding/contracting pipes".
- Bridges; Donald Y. - Roswell GA
| Patent | Date |
|---|---|
| Pipe couplings for misaligned or out-of-round pipes and expanding/contracting pipes Grant 5,769,467 - Bridges June 23, 1 | 1998-06-23 |
| Pamphlet with enhanced spine Grant 5,575,505 - Bridges November 19, 1 | 1996-11-19 |
| Coupling with offset closure Grant 5,383,496 - Bridges , et al. January 24, 1 | 1995-01-24 |
| Pipe coupling with sealing plate Grant 5,362,107 - Bridges * November 8, 1 | 1994-11-08 |
| Pipe coupling and sealing device Grant 5,086,809 - Bridges February 11, 1 | 1992-02-11 |
| Method and apparatus for sealing pipe joints from the interior thereof Grant 5,076,618 - Bridges December 31, 1 | 1991-12-31 |
| Sealing assembly for pipe joint Grant 4,664,428 - Bridges May 12, 1 | 1987-05-12 |
| Pipe coupling with improved gasket Grant 4,360,227 - Bridges November 23, 1 | 1982-11-23 |
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