Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332618 | Thermal barrier coating | — | 1982-06-01 |
| 4234653 | Protective coating | Frank Cork, Philip H. Andrews, Francis Chappell | 1980-11-18 |
NB
Norman E. Ballard
Overall (All Time): #2,366,707 of 4,157,543Top 60%
2
Patents All Time