Issued Patents 1989
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889979 | Method for extending life of optically recorded information | Eric W. Bouldin | 1989-12-26 |
| 4884260 | Data recording system for optical memory tape | Eric W. Bouldin | 1989-11-28 |
| 4863819 | Read-only optical data card | Eric W. Bouldin | 1989-09-05 |
| 4864630 | Method and apparatus for reading data pages on a data surface | Joseph Arnold | 1989-09-05 |
| 4837134 | Optical memory card with versatile storage medium | Eric W. Bouldin | 1989-06-06 |
| 4835376 | Laser read/write system for personal information card | — | 1989-05-30 |
| 4818852 | Method for forming data cards with registered images | Richard M. Haddock, Joseph Arnold | 1989-04-04 |
| 4814594 | Updatable micrographic pocket data card | — | 1989-03-21 |
| 4810868 | Frasable optical wallet-size data card | — | 1989-03-07 |