Barnes; Robert G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barnes; Robert G..The latest application filed is for "ticket tracking and redeeming system and method".
- Barnes; Robert G. - Scottsdale AZ
- Barnes; Robert G. - Meriden CT
| Patent | Date |
|---|---|
| Ticket tracking and redeeming system and method Grant 7,536,307 - Barnes , et al. May 19, 2 | 2009-05-19 |
| Ticket tracking, reminding, and redeeming system and method Grant 7,529,681 - Barnes , et al. May 5, 2 | 2009-05-05 |
| Ticket Tracking And Redeeming System And Method App 20040138930 - Barnes, Robert G. ; et al. | 2004-07-15 |
| Ticket tracking, reminding, and redeeming system and method App 20040010427 - Barnes, Robert G. ; et al. | 2004-01-15 |
| Expandable encapsulated filter cartridge assembly Grant 5,919,362 - Barnes , et al. July 6, 1 | 1999-07-06 |
| Compressible differential pressure energized seals for filter elements and the like Grant 5,399,264 - Pulek , et al. March 21, 1 | 1995-03-21 |
| Separator for cell type filter element Grant 4,783,262 - Ostreicher , et al. November 8, 1 | 1988-11-08 |
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