Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4592587 | Shapeable matrix, and a chair using a matrix | Steven Cousins, Kenneth E. Ackerley | 1986-06-03 |
| 4484778 | Shapeable matrix, and a chair using a matrix | Steven Cousins, Kenneth E. Ackerley | 1984-11-27 |