Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440225 | Floor treating method and machine | Michael Van Den Burg, Josef Jans, Rolf Semmler, Pieter Van Der Vlist | 2002-08-27 |
| 6368420 | Detergent composition and method for warewashing | Petrus Adrianus Angevaare, Paul Flu, John Nicholson | 2002-04-09 |