Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6713948 | Lamp cap, assembly of lamp burner and lamp cap, and method of fastening a lamp | — | 2004-03-30 |
| 5436526 | Method of placing a single-capped electric lamp in a lampholder, single-capped electric lamp designed for this purpose, and luminaire provided with the single-capped electric lamp | Karl-Heinz Hohaus | 1995-07-25 |