Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11529092 | Allergy testing device and method of testing for allergies | Douglas S. Hein | 2022-12-20 |
| 10470698 | Allergy testing device and method of testing for allergies | Douglas S. Hein | 2019-11-12 |
| 9504418 | Allergy testing device and method of testing for allergies | Douglas S. Hein | 2016-11-29 |
| 9011350 | Allergy testing device and method of testing for allergies | Douglas S. Hein | 2015-04-21 |
| 8469900 | Allergy testing device and method of testing for allergies | Douglas S. Hein | 2013-06-25 |
| 7922672 | Skin testing-device system | Douglas S. Hein | 2011-04-12 |
| D629518 | Skin testing device | Douglas S. Hein | 2010-12-21 |
| D624195 | Skin testing-device system | Douglas S. Hein | 2010-09-21 |
| 7631765 | Skin testing-device system | Douglas S. Hein | 2009-12-15 |
| 6554777 | Multi-site skin-test system and method | — | 2003-04-29 |
| 5997951 | Method of treating fiberglass boat hulls to repair, prevent and retard blisters | — | 1999-12-07 |
| 5792071 | System for multi-site skin testing and components thereof | — | 1998-08-11 |
| 5738108 | System for multi-site skin testing and components thereof | — | 1998-04-14 |
| 5632728 | Skin testing and vaccinating needles | — | 1997-05-27 |