Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336077 | Method of cryogenically hardening an insert in an article | Walter L. Harvey | 1982-06-22 |
JL
J. Michael Leach
Overall (All Time): #4,071,733 of 4,157,543Top 100%
1
Patents All Time