Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645051 | Unit dose dry powder inhaler | Robert K. Schultz | 1997-07-08 |
| 5622166 | Dry powder inhaler delivery system | Allan Cameron, David Titzler, Leonard Porche | 1997-04-22 |
| 5143210 | Foldable protective package for storing, dispensing, and displaying diagnostic kit components | S. John Warwick, Lonna J. Williams | 1992-09-01 |
| 5067496 | Tracheostomy tube | — | 1991-11-26 |
| 4852565 | Fenestrated tracheostomy tube | — | 1989-08-01 |