Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4398493 | Coating of solids | John Isherwood, Richard A. Hann, Philip Norton-Berry, Margaret L. Steel | 1983-08-16 |
| 4318941 | Coating of solids | John Isherwood, Richard A. Hann, Philip Norton-Berry, Margaret L. Steel | 1982-03-09 |