Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607584 | Filter cells providing lifting means and related methods | Frank Swiatek, Richard Leavitt, Donald Chanski, Drew Willoughby | 1997-03-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607584 | Filter cells providing lifting means and related methods | Frank Swiatek, Richard Leavitt, Donald Chanski, Drew Willoughby | 1997-03-04 |