Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8807961 | Capacity modulation system for compressor and method | Frank S. Wallis, Ernest R. Bergman | 2014-08-19 |
| 8157538 | Capacity modulation system for compressor and method | Frank S. Wallis, Ernest R. Bergman | 2012-04-17 |