Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9895463 | Solid state fragrancing | John T. Irwin, Robert James Hayes, Donald James Staufenberg, Jeffrey C. Gayer | 2018-02-20 |
| 9863131 | Solid state fragrancing | John T. Irwin, Robert James Hayes, Donald James Staufenberg, Jeffrey C. Gayer | 2018-01-09 |