Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689560 | Method and apparatus for enabling trial period use of software products: method and apparatus for allowing a try-and-buy user interaction | Robert F. Pryor | 1997-11-18 |
| 5598470 | Method and apparatus for enabling trial period use of software products: Method and apparatus for utilizing a decryption block | Hudson Wayne Philips, Robert F. Pryor | 1997-01-28 |