Van Auken; John A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Van Auken; John A..The latest application filed is for "electrically conductive tennis ball".
- Van Auken; John A. - Miami Beach FL
| Patent | Date |
|---|---|
| Electrically conductive tennis ball Grant 4,664,378 - Van Auken May 12, 1 | 1987-05-12 |
| Electrically conductive game ball Grant 4,299,384 - Van Auken November 10, 1 | 1981-11-10 |
| Gaming surface contact detecting systems Grant 4,109,911 - Van Auken August 29, 1 | 1978-08-29 |
| Copying Machine System Grant 3,677,635 - Van Auken , et al. July 18, 1 | 1972-07-18 |
| Automatic Original Feeder For Copying Machine Grant 3,614,089 - Van Auken , et al. October 19, 1 | 1971-10-19 |
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