Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874143 | Tape cassette having rewind control mechanism | Robert Granzotto | 1989-10-17 |
| 4852418 | Nutating drive | — | 1989-08-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874143 | Tape cassette having rewind control mechanism | Robert Granzotto | 1989-10-17 |
| 4852418 | Nutating drive | — | 1989-08-01 |