Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654891 | Method and apparatus for controlling and/or limiting speed excess by drivers | David Naccache, Wolfgang Hartnack | 1997-08-05 |
| 5625368 | Radiowave antenna system | Christopher Howson, Masahiro Fujimoto, David Harrison | 1997-04-29 |