Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6082133 | Apparatus and method for purifying natural gas via cryogenic separation | Michael Barclay, Thomas Brook, John A. Barclay | 2000-07-04 |
| 5949153 | Multi-engine controller | Ross F. Nigro, Robert J. Sprafka | 1999-09-07 |
| 5479966 | Quick fill fuel charge process | Paul F. Swenson | 1996-01-02 |
| 4341607 | Solar power system requiring no active control device | — | 1982-07-27 |