Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927859 | Expandable polymers in particle form | Heinz Weber, Eckhard Nintz, Manfred Walter, Bertram Ostermayer | 1990-05-22 |
DB
Dieter Ballweber
Overall (All Time): #3,903,526 of 4,157,543Top 95%
1
Patents All Time