Despres; Roger J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Despres; Roger J..The latest application filed is for "plug ejecting hole saw with interchangeable saw cups having different size attachment bores".
- Despres; Roger J. - Fountain Valley CA
| Patent | Date |
|---|---|
| Plug ejecting hole saw with interchangeable saw cups having different size attachment bores Grant 6,641,338 - Despres November 4, 2 | 2003-11-04 |
| Plug ejecting hole saw with interchangeable saw cups having different size attachment bores App 20020131835 - Despres, Roger J. | 2002-09-19 |
| Plug ejecting hole saw with twist-locking interchangeable saw cups Grant 6,409,436 - Despres June 25, 2 | 2002-06-25 |
| Plug ejecting hole saw with twist-locking interchangeable saw cups App 20020037201 - Despres, Roger J. | 2002-03-28 |
| Hole saw and drive Grant 5,096,341 - Despres * March 17, 1 | 1992-03-17 |
| Storage and display stand for hole cutting saws Grant D295,704 - Despres May 17, 1 | 1988-05-17 |
| Hole saw Grant 4,741,651 - Despres May 3, 1 | 1988-05-03 |
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