Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244743 | Sulfur containing refractory for resisting reactive molten metals | Martin J. Blackburn, Michael P. Smith | 1981-01-13 |
SH
Steven Z. Hayden
Overall (All Time): #4,081,575 of 4,157,543Top 100%
1
Patents All Time