Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6127928 | Method and apparatus for locating and tracking documents and other objects | Marvin Issacman | 2000-10-03 |
| 5936527 | Method and apparatus for locating and tracking documents and other objects | Marvin Isaacman | 1999-08-10 |