Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4763218 | Video tape cassette with internal tape erasing means | Roy Wheaton, Alan F. Meckstroth | 1988-08-09 |
| 4660115 | Video tape cassette with internal tape erasing means | Roy Wheaton | 1987-04-21 |
| 4660116 | Video tape cassette with internal tape erasing means | Roy Wheaton, Alan F. Meckstroth | 1987-04-21 |