Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4549948 | Sacrificial anode composition | Marvin L. Peterson, Orwin G. Maxson | 1985-10-29 |
| 4318787 | Sacrificial anode composition in cathodic protection process | Marvin L. Peterson, Orwin G. Maxson | 1982-03-09 |