Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822596 | Skin composition | Martin Callingham, Dwaipayan Chaudhuri, Barry G. Pike, Michael B. Taylor | 1989-04-18 |
| 4743440 | Skin composition | Martin Callingham, Dwaipayan Chaudhuri, Barry G. Pike, Michael B. Taylor | 1988-05-10 |
| 4650670 | Skin composition | Martin Callingham, Dwaipayan Chaudhuri, Barry G. Pike, Michael B. Taylor | 1987-03-17 |