Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889982 | Encoded label having redundant and scrambled indicia for identifying a magnetic tape cartridge | Michael E. Moy | 1989-12-26 |
| 4827984 | Method of repairing or replacing piping and inflatable plug | Brian W. York, Kenneth S. Hemingway | 1989-05-09 |