Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983496 | Method for writing position-indicating markers on magnetic tape | Chester W. Newell | 1991-01-08 |
| 4848698 | Method for writing and means for reading position-indicating markers on tape | Chester W. Newell | 1989-07-18 |