United States Patent 2578324
Inventors:
Southwick Jr., Charles A.
Publication Date:
12/11/1951
Assignee:
SHELLMAR PRODUCTS CORP
Other Classes:
206/439, 156/305, 206/204
International Classes:
B65D81/26
US Patent References:
| 2306400 | Infusion package heat sealing filter-paper manufacture | | | |
| 2317730 | Laminated sheet material | | | |
| 2430459 | Laminated sheet heat-sealable container | | | |
| 2441477 | Food package | | | |