Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5805020 | Silent start class D amplifier | Larry King, John Fogg | 1998-09-08 |
| 4763057 | Control for improving induction transient response by excitation angle control | C. Calvin Shuler | 1988-08-09 |
| 4543520 | Induction motor slip control | C. Calvin Shuler | 1985-09-24 |