Crumpler; Houston Linwood
Patent Applications and Registrations
Patent applications and USPTO patent grants for Crumpler; Houston Linwood.The latest application filed is for "storm drain filter with variable flow capacity".
- Crumpler; Houston Linwood - Roseboro NC
| Patent | Date |
|---|---|
| Storm drain filter with variable flow capacity Grant 7,534,355 - Lockerman , et al. May 19, 2 | 2009-05-19 |
| Storm Drain Filter with Variable Flow Capacity App 20080000845 - Lockerman; Tony Mason ; et al. | 2008-01-03 |
| Storm drain filter Grant 7,276,156 - Lockerman , et al. October 2, 2 | 2007-10-02 |
| Storm drain filter App 20060266681 - Lockerman; Tony Mason ; et al. | 2006-11-30 |
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