Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851956 | Packaged solid-state surge protector | Gerzy Borkowicz, James E. Anderson | 1989-07-25 |
| 4847002 | Improved stabilization of wood preservative solutions and preservation of wood by such solutions | Cheryl M. Maritan | 1989-07-11 |