Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5925450 | Polystyrene foam sheet manufacture | Maurice W. Blackwelder | 1999-07-20 |
| 5674602 | Polystyrene foam sheet manufacture | Maurice W. Blackwelder | 1997-10-07 |
| 5443769 | Polystyrene foam sheet manufacture | Maurice W. Blackwelder | 1995-08-22 |
| 5082608 | Polystyrene foam sheet manufacture | Maurice W. Blackwelder | 1992-01-21 |
| 4989780 | Blank for sealed carton with integral reclosable pour-out spout | James B. Foote | 1991-02-05 |
| 4915217 | Container package | David A. Pratt | 1990-04-10 |
| 4911290 | Container package | David A. Pratt | 1990-03-27 |
| 4657177 | Carton formed from blank of expanded polymer material and blank therefor | — | 1987-04-14 |
| 4626455 | Coextruded multilayer sheet and sleeve label for bottles | — | 1986-12-02 |
| 4585679 | Coextruded multilayer sheet and tough sleeve label made therefrom | — | 1986-04-29 |
| 4581262 | Coextruded multilayer sheet and sleeve label made therefrom | — | 1986-04-08 |