Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32818 | Cast detergent-containing article and method of using | James L. Copeland, Richard C. Penttila | 1989-01-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32818 | Cast detergent-containing article and method of using | James L. Copeland, Richard C. Penttila | 1989-01-03 |