Title:
Packet assembly with pre-folded interior material
United States Patent 3337120
US Patent References:
Envelope in continuous strip form
- - 2148886

/3104799.html
- - 3104799


Inventors:
Steidinger, Donald J.
Publication Date:
08/22/1967
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Assignee:
VARCO INC
Primary Class:
206/449
Other Classes:
229/69, 229/314, 229/92.800
International Classes:
B42D5/02; B42D5/00