Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4632577 | Record media thickness compensating mechanism | Robert A. Brull, Alan H. Walker | 1986-12-30 | $12,910,000 |
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Skip to contentShowing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4632577 | Record media thickness compensating mechanism | Robert A. Brull, Alan H. Walker | 1986-12-30 | $12,910,000 |