Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647407 | Electronic system for controlling a tensioning apparatus | Ernest D. Scott, Donald L. Tedder, Gregory Scott, Richard Kohls | 1997-07-15 |
| 5541501 | Lightning and storm warning method and apparatus | Edward F. Shaver, Richard I. Kohls, Paris H. Wiley, Stephen L. McCarter | 1996-07-30 |
| RE33184 | Power controller circuit with automatic correction for phase lag between voltage and current | Raymond T. Westfall | 1990-03-20 |
| 4672301 | Power controller circuit with automatic correction for phase lag between voltage and current | Raymond T. Westfall | 1987-06-09 |