Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8905255 | Flexible container handling system | Richard A. Leoncavallo | 2014-12-09 |
| 8215508 | Centrifuge bottle closure and assembly thereof | John D. DeLorme, Keith Owen Whittlinger | 2012-07-10 |
| 8146762 | Flexible container handling system | Richard A. Leoncavallo | 2012-04-03 |
| D637492 | Conical centrifuge bottle | Keith Owen Whittlinger | 2011-05-10 |
| D636678 | Conical centrifuge bottle | Keith Owen Whittlinger | 2011-04-26 |
| D539150 | Flask | Richard A. Leoncavallo | 2007-03-27 |
| 6976398 | Liquid sample collection system | Richard A. Leoncavallo, Scott Allen Harris | 2005-12-20 |
| 5603436 | Squeeze bottle and leakproof closure device | Richard A. Leoncavallo, Mark Giverc, Ravi Mehra | 1997-02-18 |
| 4896783 | Container and cap assembly | Richard A. Leoncavallo, Ravinder C. Mehra, Sharad Rajguru | 1990-01-30 |
| D297860 | Filter unit | Richard A. Leoncavallo, Ravinder C. Mehra, Sharad Rajguru | 1988-09-27 |
| 4689147 | Plastic filter assembly | Richard A. Leoncavallo, Ravinder C. Mehra, Sharad Rajguru | 1987-08-25 |
| 4614585 | Frangible bonded disposable filtration unit with recoverable filter | Ravinder C. Mehra, Robert G. Relyea | 1986-09-30 |