Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639093 | Casting target | Ben Law | 1997-06-17 |
| 5615131 | System for providing closed captioning to an electronic discussion group | Owen J. Mortensen, Jeffery S. Dalton, Douglas P. Chinnock | 1997-03-25 |