Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7699054 | Positive expiratory pressure device | Richard K. Pelerossi, Gregory S. King, Lawrence A. Weinstein, Fredrick M. Richards, Christopher Zirps +1 more | 2010-04-20 |
| 7059324 | Positive expiratory pressure device with bypass | Richard K. Pelerossi, Gregory S. King, Lawrence A. Weinstein, Fredrick M. Richards, Christopher Zirps +1 more | 2006-06-13 |
| 6776159 | Positive expiratory pressure device with bypass | Richard K. Pelerossi, Gregory S. King, Lawrence A. Weinstein, Fredrick M. Richards, Christopher Zirps +1 more | 2004-08-17 |
| 6581598 | Positive expiratory pressure device | Lawrence A. Weinstein, Fredrick M. Richards, Christopher Zirps, Robert Elden | 2003-06-24 |
| D440651 | Positive expiratory pressure device | Lawrence A. Weinstein, Fredrick M. Richards, Christopher Zirps, Robert Elden | 2001-04-17 |