Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4394452 | Synthetic stool | Roland Hartl | 1983-07-19 |
| 4225557 | Packaged diagnostic test strip | Roland Hartl, Dieter Kraemer | 1980-09-30 |
DH
Dieter Helm
Overall (All Time): #2,363,064 of 4,157,543Top 60%
2
Patents All Time