Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647053 | Vapor dipensing device | John Schroeder, Mark E. Wefler, Terry L. Hygema, Kevin W. Smith | 1997-07-08 |
| 5591395 | Method of disinfecting air | John Schroeder, Arthur L. Hood | 1997-01-07 |