Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330440 | Activated matrix and method of activation | John Stephen Ayers, William S. Hancock, Milton T. W. Hearn | 1982-05-18 |
| 4224439 | Activated matrix and method of activation | John Stephen Ayers, William S. Hancock, Milton T. W. Hearn | 1980-09-23 |