United States Patent 2996177
Inventors:
Sproull, Reavis C.
Cosby Jr., Clarence C.
Publication Date:
08/15/1961
Assignee:
PHILIP MORRIS INC
Other Classes:
206/813, 40/312
International Classes:
B65D75/54; B65D85/10; B65D75/52; B65D85/08
US Patent References:
| 2667019 | Packaging apparatus and method of packaging | | | |