Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114653 | Processes of manufacturing prestressed concrete | Hans-Juergen Schuerhoff, Arie Gerritse | 1992-05-19 |
| 4622161 | Dosing unit comprising a detergent and/or a bleaching agent | Emery G. P. Cornelissens, Jurjen P. Hofland | 1986-11-11 |