Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6343749 | Mobile drip irrigation system | — | 2002-02-05 |
| 5133893 | Enzymatic detergent composition | Ton Swarthoff, Jan Maat | 1992-07-28 |
| 5069809 | Enzymatic detergent and bleaching composition containing a specific rDNA technique cloned lipase | Cornelis A. Lagerwaard, Johannes M. Cornelissen, Ton Swarthoff, Jan Klugkist | 1991-12-03 |
| 4873016 | Enzymatic detergent composition | Ton Swarthoff, Jan Maat | 1989-10-10 |
| 4769173 | Enzymatic detergent and bleaching composition | Johannes M. Cornelissen, Jan Klugkist, Cornelis A. Lagerwaard, Ton Swarthoff | 1988-09-06 |
| 4707291 | Enzymatic detergent composition | Ton Swarthoff, Jan Maat | 1987-11-17 |