Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4603780 | Carton for housing fragile containers | Joseph K. Duffy, Mark Louis Thoene | 1986-08-05 |
| 4576017 | Insulated shipping container | Joseph K. Duffy, Mark Louis Thoene | 1986-03-18 |