Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491902 | Controlled delivery system for hair care products | Shmuel David Shefer | 2002-12-10 |
| 6426055 | Application of film forming technology to fragrance control release systems; and resultant fragrance control release systems | Shmuel David Shefer, John M. Teffenhart | 2002-07-30 |
| 6368633 | Microparticles which controllably release olfactorily active substances, methods of using same and processes for preparing same | Wen C. Lou, Keith McDermott, Shmuel David Shefer, John M. Teffenhart, Chee-Teck Tan +2 more | 2002-04-09 |