Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D748247 | Eyewash device | Steven Duffield | 2016-01-26 |
| D573250 | Irrigation device | Steven Duffield | 2008-07-15 |
| D542910 | Ear irrigation device | Steven Duffield | 2007-05-15 |
| 6949088 | Ear irrigation device | — | 2005-09-27 |
| 6644305 | Nasal inhaler | Martin P. Foley, Jerry Grychowski | 2003-11-11 |
| 5829524 | High pressure casing patch | Bruce A. Flanders, Gerald D. Lynde | 1998-11-03 |
| 4961290 | Mount for grinding wheel | John H. Hawkes | 1990-10-09 |