Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566694 | Magnetic game | — | 1986-01-28 |
| 4534195 | Mechanical lock having a variable key | — | 1985-08-13 |
| 4362930 | Data carrier card | — | 1982-12-07 |
| 4361757 | Card-like data carrier | — | 1982-11-30 |
| 4303832 | Process for assessing the quality of a printed product | — | 1981-12-01 |
| 4300298 | Apparatus for the production and display of moving pictures | — | 1981-11-17 |