Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770203 | Filtering unit having separately attachable filter cassette, filter cassette, and method of filtering | Richard A. Leoncavallo | 2004-08-03 |
| 6458278 | Filtering unit having separately attachable filter cassette, filter cassette, and method of filtering | Richard A. Leoncavallo | 2002-10-01 |
| 5603436 | Squeeze bottle and leakproof closure device | Richard A. Leoncavallo, Peter K. Baird, Ravi Mehra | 1997-02-18 |
| D358530 | Bike bottle | Ravinder C. Mehra, Richard A. Leoncavallo | 1995-05-23 |