Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317665 | Cryogenic freezing system | — | 1982-03-02 |
| 4315409 | Cryogenic freezing system | Richard E. Filippi | 1982-02-16 |
AP
Alan L. Prentice
Overall (1982): #16,366 of 81,411Top 25%
2
Patents 1982