Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074423 | Parquet joint kit system and method for manufacturing a parquet joint kit system | Martin Schäfer | 2011-12-13 |
| 4618643 | Glue stick adhesives | Hubertus von Voithenberg | 1986-10-21 |