Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6694126 | Digital memo recorder | — | 2004-02-17 |
| 5903226 | Trainable RF system for remotely controlling household appliances | Michael J. Suman, Mark L. Zeinstra, William S. De Vree | 1999-05-11 |
| 5903326 | Trainable RF system for remotely controlling household appliances | Michael J. Suman, Mark L. Zeinstra, William S. De Vree | 1999-05-11 |
| 5708415 | Electrical control system for vehicle options | Michael J. Suman, Mark L. Zeinstra, William S. DeVree | 1998-01-13 |
| 5699044 | Electrical control system for vehicle options | Michael J. Suman, Mark L. Zeinstra, William S. DeVree | 1997-12-16 |
| 5691848 | Electrical control system for vehicle options | Michael J. Suman, Mark L. Zeinstra, William S. DeVree | 1997-11-25 |
| 5661455 | Electrical control system for vehicle options | Michael J. Suman, Mark L. Zeinstra, William S. DeVree | 1997-08-26 |
| 5614885 | Electrical control system for vehicle options | Mark L. Zeinstra, Michael J. Suman, William S. DeVree | 1997-03-25 |
| 5583485 | Trainable transmitter and receiver | Michael J. Suman, Mark L. Zeinstra, William S. DeVree | 1996-12-10 |
| 5475366 | Electrical control system for vehicle options | Michael J. Suman, Mark L. Zeinstra, William S. DeVree | 1995-12-12 |
| 5406270 | Dead switch vehicle operator identification | — | 1995-04-11 |
| 4953305 | Vehicle compass with automatic continuous calibration | Steven L. Geerlings | 1990-09-04 |