Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849670 | Electric lamp having a pinch supported in a sleeve-shared cap | Paul Hellwig | 1989-07-18 |
| 4812490 | Epoxy resin molding compounds | Wolfgang Kleeberg, Heinz Hacker, Jürgen Huber, Heinz K. Laupenmuhlen | 1989-03-14 |