Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6524242 | Non-contact method for measuring amount of sebum or oil on substrate in real time using fluorescence dye | Krishna Subramanyan, Zhenhe Zhu, Archana Sah, Thomas Hancewicz | 2003-02-25 |
| 6475144 | Non-contact method for measuring amount of skin sebum or oil in real time using fiber optic probe | Archana Sah, Zhenhe Zhu, Thomas Hancewicz | 2002-11-05 |
| 5731277 | Automatic dishwashing compositions containing aluminum tetrahydroxide | Richard Gerald Gary, Petrus Adrianus Angevaare, Arnold Oscar Jensen | 1998-03-24 |