Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7350784 | Modified blackjack game | Karen E. Tieken | 2008-04-01 |
| 6274062 | Halocarbon/hydrocarbon refrigerant blend | — | 2001-08-14 |
| 5363666 | Manually operated refrigerant recovery device | — | 1994-11-15 |
| 5336065 | Manually operated refrigerant recovery device | — | 1994-08-09 |
| 5297399 | Manually operated refrigerant recovery device | — | 1994-03-29 |