Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4935662 | Electric lamp having a coiled incandescent filament and filament movement restraint means | Carl F. Kachenmeister, Jr. | 1990-06-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4935662 | Electric lamp having a coiled incandescent filament and filament movement restraint means | Carl F. Kachenmeister, Jr. | 1990-06-19 |