Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4955206 | Liquid cryogen freezer with improved vapor balance control | Gary D. Lang | 1990-09-11 |
| 4947654 | Liquid cryogen freezer with improved vapor balance control | Brian Sink, Gary D. Lang | 1990-08-14 |