Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9832971 | Pet feeding system | David Hollander, Mark T. MacLean-Blevins | 2017-12-05 |
| 6609516 | Smoke escape mask | David Hollander | 2003-08-26 |
| 6453902 | Smoke escape mask | David Hollander | 2002-09-24 |