Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6936995 | Battery voltage reduction | Nick S. Kapsokavathis, David W. Walters | 2005-08-30 |
| 4860222 | Method and apparatus for measuring engine mass air flow | Edward H. Schmidt, David W. Walters | 1989-08-22 |