Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4918352 | Metal halide lamps with oxidized frame parts | Carl H. Hess, Frank I. Ewing, Ralph M. Potter, Timothy D. Russell | 1990-04-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4918352 | Metal halide lamps with oxidized frame parts | Carl H. Hess, Frank I. Ewing, Ralph M. Potter, Timothy D. Russell | 1990-04-17 |