Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964521 | Ampuls and apparatus thereon for opening same | Gerhard Wieland, Klaus Steckenreuter, Wolfgang Gernand | 1990-10-23 |
HS
Helmut Simgen
Overall (All Time): #3,913,553 of 4,157,543Top 95%
1
Patents All Time