Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947410 | Method and apparatus for counting with a nonvolatile memory | Raymond Lippmann, Paul L. DuBois | 1990-08-07 |
| 4882572 | Electronic range indicator for a motor vehicle | Raymond Lippmann | 1989-11-21 |
| 4797924 | Vehicle voice recognition method and apparatus | Darrel A. Dolph, Yu-Jih Liu | 1989-01-10 |