Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897983 | Wrapper for tubular products, especially chocolate bars and method of manufacturing it | Wilhelm Hogenkamp | 1990-02-06 |
| 4282964 | Article transfer device | Wilhelm Hogenkamp | 1981-08-11 |