Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823069 | Light dimmer for distributed use employing inductorless controlled transition phase control power stage | Michael Callahan, Robert M. Goddard | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823069 | Light dimmer for distributed use employing inductorless controlled transition phase control power stage | Michael Callahan, Robert M. Goddard | 1989-04-18 |