Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955176 | Device and method for applying hair dye to hair | Paul Anton Josef Ackermans, Fred Fraij | 2005-10-18 |
| 6420851 | Method of and device for determining the charge condition of a battery | Franciscus A. C. M. Schoofs, Wanda S. Kruijt, Robert E. F. Einerhand, Hendrik Johannes Bergveld | 2002-07-16 |