Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814589 | Information transfer and use, particularly with respect to objects such as gambling chips | Leonard Storch | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814589 | Information transfer and use, particularly with respect to objects such as gambling chips | Leonard Storch | 1989-03-21 |