Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4197660 | Process for crystallizing and drying polyethylene terephthalate and apparatus to carry out said process | Rolf Holtermann | 1980-04-15 |
SB
Siegfried Breitschaft
Overall (All Time): #4,109,856 of 4,157,543Top 100%
1
Patents All Time