Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5260800 | Apparatus and method for high-speed video tape duplication from master disk | Albert G. Sturm, Kevin J. Stec | 1993-11-09 |
| 4802048 | Limited play tape cassette system | Leland M. Perkins, Ralph L. Dodds, Roger D. Nicholson | 1989-01-31 |