Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7902297 | Slip- and leveling agent | Lothar Alexander Engelbrecht, Frank Oliver Heinrich Pirrung, Arend Noordam, Martin Philipoom | 2011-03-08 |
PH
Petrus Johannes Harbers
Overall (2011): #195,910 of 364,097Top 55%
1
Patents 2011