Fuerst; Charles O.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fuerst; Charles O..The latest application filed is for "rotating biologic aquarium filter system".
- Fuerst; Charles O. - Simi Valley CA
- Fuerst; Charles O. - Moorpark CA
| Patent | Date |
|---|---|
| Rotating biologic aquarium filter system Grant 5,423,978 - Snyder , et al. June 13, 1 | 1995-06-13 |
| Rotating biological aquarium filter system Grant 5,419,831 - Fuerst , et al. May 30, 1 | 1995-05-30 |
| Hang on tank canister filter Grant 5,401,401 - Hickok , et al. March 28, 1 | 1995-03-28 |
| Compact aquarium filter Grant 5,002,660 - Sherman , et al. March 26, 1 | 1991-03-26 |
| Freestanding aquarium filter Grant 4,601,821 - Sherman , et al. July 22, 1 | 1986-07-22 |
| Bird cage Grant D262,153 - Fuerst December 1, 1 | 1981-12-01 |
| Magnetically coupled aquarium filter Grant 4,093,547 - Sherman , et al. June 6, 1 | 1978-06-06 |
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