United States Patent 3370733
Inventors:
Giesler, Jerry B.
Publication Date:
02/27/1968
Assignee:
WALDORF PAPER PROD CO
Other Classes:
206/463, 206/806, 206/497, 215/399, 206/216, 215/901
International Classes:
B65D73/00; G09F3/04
Foreign References:
| AU243765A | | | | |
| CA504796A | | | | |
| FR1092052A | | | | |