Van Acker; John J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Van Acker; John J..The latest application filed is for "copying machine".
- Van Acker; John J. - Chesterland OH
| Patent | Date |
|---|---|
| Copying machine Grant D249,797 - Van Acker , et al. October 3, 1 | 1978-10-03 |
| Variable Input Data Recorder Grant 3,824,922 - Van Acker July 23, 1 | 1974-07-23 |
| Portable Battery Powered Eraser And Support Therefor Grant 3,684,941 - Van Acker , et al. August 15, 1 | 1972-08-15 |
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