Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4789697 | Material based on a caoutchouc-type mixture for producing hard rubber, method of using such material for producing engine components, and engine components manufactured from such material | Josef Affenzeller | 1988-12-06 |
| 4773624 | Method of using a material based on a caoutchouc-type mixture for producing hard rubber in order to fabricate engine components, and engine components manufactured from such material | Josef Affenzeller | 1988-09-27 |