Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6026807 | Metered dose inhaler cloud chamber | Fredrick M. Richards, Lawrence A. Weinstein, Deborah A. Laun, David T. Middleton, Jr. | 2000-02-22 |
| 5692493 | Tongue Protector | Lawrence A. Weinstein, Beverly J. Wallace, Fredrick M. Richards, David R. Autote | 1997-12-02 |
| 5598839 | Positive expiratory pressure device | Rex A. Niles, Ronald McHenry, Stephen J. Scheuermann | 1997-02-04 |
| 4324260 | Volumetric spirometer | — | 1982-04-13 |
| 4185072 | Orthopedic cement mixer | Robert W. Pike, Thomas S. Myers, James H. Frakes, Jr. | 1980-01-22 |