Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5511726 | Nebulizer device | Bernard Greenspan, Keith E. Schleiffer, James L. Eick | 1996-04-30 |
| 5289948 | Squeeze bottle apparatus with force multiplying pistons | Norman R. Gordon, Henry S. DeFord, Eugene A. Eschbach | 1994-03-01 |
| 5115971 | Nebulizer device | Bernard Greenspan | 1992-05-26 |
| 5099792 | Interchangeable whole-body and nose-only exposure system | William Crossingham Cannon, Rudolph T. Allemann, John R. Decker | 1992-03-31 |
| 4972977 | Spray bottle apparatus with pressure multiplying pistons | Norman R. Gordon, Henry S. DeFord | 1990-11-27 |
| 4603794 | Pressure multiplying dispenser | Henry S. DeFord | 1986-08-05 |
| 4398498 | Exposure chamber | James K. Briant | 1983-08-16 |
| 4357903 | Device for producing a fluid stream of varying composition | Mark L. Clark, E. John Rossignol | 1982-11-09 |
| 4216741 | Exposure chamber | — | 1980-08-12 |