van den Broek; William A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for van den Broek; William A..The latest application filed is for "vacuum filter system for swimming pools".
- van den Broek; William A. - Doylestown PA
| Patent | Date |
|---|---|
| Vacuum filter system for swimming pools Grant 4,574,048 - van den Broek March 4, 1 | 1986-03-04 |
| Modular swimming pool structure and method for its erection Grant 3,986,310 - van den Broek October 19, 1 | 1976-10-19 |
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