Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5893910 | Method and apparatus for establishing the legitimacy of use of a block of digitally represented information | Stephen P. Spackman | 1999-04-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5893910 | Method and apparatus for establishing the legitimacy of use of a block of digitally represented information | Stephen P. Spackman | 1999-04-13 |