Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6216016 | Method and system for generating and transmitting a waiting message | — | 2001-04-10 |
| 6113360 | Gerotor pump | DeQuan Yu, Ronald Engel | 2000-09-05 |
| 5995589 | Mobile telephone configurable as a monitor and a two way radio | Christophe Lorieau, Remy De Crouy-Chanel | 1999-11-30 |
| 5733111 | Gerotor pump having inlet and outlet relief ports | DeQuan Yu, Ronald Engel | 1998-03-31 |