Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5983667 | Cryogenic system for producing ultra-high purity nitrogen | Thomas John Bergman, Jr., James Philip Natwora, Jr., John K. Howell, Jr., David R. Thompson | 1999-11-16 |