Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4495775 | Shipping container for storing materials at cryogenic temperatures | Alfred Barthel | 1985-01-29 |
| 4411138 | Neck tube closure assembly for cryogenic containers | Douglas R. Leithauser | 1983-10-25 |