Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7735325 | Power generation methods and systems | Frank Ruggieri, Rudolph N. J. Draaisma, David Lackstrom, Clyde Zielke | 2010-06-15 |
| 7019412 | Power generation methods and systems | Frank Ruggieri, Dave Lackstrom, Rudolph N. J. Draaisma | 2006-03-28 |
| 5515979 | Simplified jewel case management and opening for compact disk storage systems | — | 1996-05-14 |
| 4715516 | Apparatus for dispensing carbonated beverage from containers | — | 1987-12-29 |