Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6951147 | Optimizing rotary impact collectors | Patrick Call, Charles J. Call | 2005-10-04 |
| 6938777 | Method for removing surface deposits of concentrated collected particles | Charles J. Call, Patrick Call, Eric Hanczyc, Andrew Kamholz | 2005-09-06 |