Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7581504 | Printed umbrella, umbrella cover, and method of making | Harry R Campbell, Joel Greenstein | 2009-09-01 |
| 7063029 | Umbrella, umbrella cover, and method of making | Harry R Campbell, Joel Greenstein | 2006-06-20 |