Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6183176 | Pallet racking system | — | 2001-02-06 |
| 5415009 | Cryogenic refrigeration system with insulated floor | Michael A. Curtis | 1995-05-16 |
| 5323622 | Multi-temperature cryogenic refrigeration system | Michael A. Curtis | 1994-06-28 |
| 5102020 | Manifest container for carrying documents with a railroad car | Brian F. Walker | 1992-04-07 |