Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300469 | Industrial luminaire housing | Robert L. Ewing, James S. Hughes | 1989-03-28 |
| D294871 | Industrial luminaire | Robert L. Ewing, James S. Hughes | 1988-03-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300469 | Industrial luminaire housing | Robert L. Ewing, James S. Hughes | 1989-03-28 |
| D294871 | Industrial luminaire | Robert L. Ewing, James S. Hughes | 1988-03-22 |