Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837669 | Low profile industrial luminaire | Terry M. Tharp, John C. McCartney, John W. Harvey | 1989-06-06 |
| 4820328 | Vitrification of asbestos waste | Johnson H. Stuart | 1989-04-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837669 | Low profile industrial luminaire | Terry M. Tharp, John C. McCartney, John W. Harvey | 1989-06-06 |
| 4820328 | Vitrification of asbestos waste | Johnson H. Stuart | 1989-04-11 |