Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693244 | Apparatus for heating liquids which operates power supply in response to detection of heating element bending | Johan Pragt | 1997-12-02 |
RW
Ronald Wijnsema
Overall (1997): #82,694 of 185,788Top 45%
1
Patents 1997