Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662840 | Process for making gel microbeads | Henry A. Pfeffer, Basil A. Guiliano, Christopher J. Sewall, Stephen Tomko | 1997-09-02 |
| 5624612 | Nonaggregating hydrocolloid microparticulates, intermediates therefor, and processes for their preparation | Christopher J. Sewall, Donald W. Renn, Peter J. Riley, Lisa E. Dumont, Guy A. Crosby | 1997-04-29 |