Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428292 | Discharge valve | Frank S. Wallis, Walter T. Grassbaugh, William Christian Gates, Jeffrey L. Berning, Clyde C. Verhoff | 2002-08-06 |
| 6419457 | Dual volume-ratio scroll machine | Stephen M. Seibel, Michael Perevozchikov | 2002-07-16 |