Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5743248 | Portable fused campfire | — | 1998-04-28 |
| 4272242 | Use of water-insoluble aluminosilicates in tanning process for the production of leather | Juergen Plapper, Klaus Schumann, Milan J. Schwuger, Heinz Smolka, Emanuel Arndt +1 more | 1981-06-09 |