Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980486 | Multi-layer film coverings for volatizing dispensers | John S. Trent | 2011-07-19 |
| 7917018 | Wearable chemical dispenser | Donald J. Schumacher, Raymund J. Alfaro, Dirk K. Nickel, Tyler D. Duston, Michael T. Hudak +2 more | 2011-03-29 |
| 7892487 | Useful life indicators | Joel E. Adair, Kwamena Gyakye deGraft-Johnson, Brian T. Davis, Donald J. Schumacher, Padma Prabodh Varanasi | 2011-02-22 |