Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7239047 | Switch device incorporating capacitive oscillator | Leonard J. Maxwell, Lloyd F. McIntyre, Roy K. Warren, Jim Brooks, Helen Kendall | 2007-07-03 |
| 4330686 | Loudspeaker systems | — | 1982-05-18 |
| 4308827 | Fuel injection system for internal combustion engines | — | 1982-01-05 |