Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868456 | Capped electric lamp having a bushing-sleeve arrangement permitting alignment of the lamp vessel with the lamp cap | Rudolf Sanders | 1989-09-19 |
JH
Johannes A. A. M. Van Heeswijk
Overall (1989): #92,393 of 140,708Top 70%
1
Patents 1989