Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827387 | Two-axis beam steering system for use in automated light fixtures | Charles F. Harrison, Clinton Blake Hope, Robert J. Kohut | 1989-05-02 |
| 4815694 | High speed, high volume gas pulse generator | Phillip Cullum, Charles F. Harrison, Kenneth R. Wisner | 1989-03-28 |