Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634012 | System for controlling the distribution and use of digital works having a fee reporting mechanism | Mark J. Stefik, Peter L. T. Pirolli | 1997-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634012 | System for controlling the distribution and use of digital works having a fee reporting mechanism | Mark J. Stefik, Peter L. T. Pirolli | 1997-05-27 |