Brown; Roger L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Brown; Roger L..The latest application filed is for "vacuum attachment".
- Brown; Roger L. - London GB
- Brown; Roger L. - Swartz Creek MI
- Brown; Roger L. - Villa Park CA
- Brown; Roger L. - Tucson AZ
| Patent | Date |
|---|---|
| Preservation of organic liquids Grant 8,241,687 - Bratton , et al. August 14, 2 | 2012-08-14 |
| Vacuum attachment Grant 6,763,857 - Brown July 20, 2 | 2004-07-20 |
| Vacuum Attachment App 20040112458 - Brown, Roger L. | 2004-06-17 |
| Sliding member securing mechanism for a container Grant 6,581,425 - Brown , et al. June 24, 2 | 2003-06-24 |
| Automated logistical relational database support system for engineering drawings and artwork Grant 5,493,679 - Virgil , et al. February 20, 1 | 1996-02-20 |
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