Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4729791 | Corrosion-inhibiting coating compositions for metals | Paul E. Laura, Harold H. Christhilf, Paul E. Morrison | 1988-03-08 |
| 4631083 | Pipe varnish compositions and use thereof | Harold H. Christhilf, Paul E. Morrison | 1986-12-23 |