Ritchie; Richard L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ritchie; Richard L..The latest application filed is for "shelling apparatus and methods for investment casting".
- Ritchie; Richard L. - Marlborough CT
| Patent | Date |
|---|---|
| Shelling apparatus and methods for investment casting Grant 7,021,362 - Marcin, Jr. , et al. April 4, 2 | 2006-04-04 |
| Shelling apparatus and methods for investment casting App 20050274482 - Marcin, John J. JR. ; et al. | 2005-12-15 |
| Shelling apparatus and methods for investment casting Grant 6,966,354 - Marcin, Jr. , et al. November 22, 2 | 2005-11-22 |
| Shelling apparatus and methods for investment casting App 20050121167 - Marcin, John J. JR. ; et al. | 2005-06-09 |
| SEC | 0001313593 | Ritchie Richard L |
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