Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4274662 | Pyrotechnical welding sleeve connector for the joining of molded components, especially pipes, of a thermoplastic synthetic resin | Willem De Groot, Horst Penner, Peter Weber | 1981-06-23 |