Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11434915 | Ceiling fan with variable blade pitch and variable speed control | Richard A. Oleson, Richard W. Fizer | 2022-09-06 |
| 4686437 | Electromechanical energy conversion system | Lawrence W. Langley | 1987-08-11 |
| 4479078 | Brushless motor controller | Philip S. Coulon, Jr. | 1984-10-23 |
| 4368411 | Control system for electric motor | — | 1983-01-11 |
| 4234838 | Incremental motion motor controller | Lawrence W. Langley | 1980-11-18 |