Method and apparatus for producing evacuated packages
United States Patent 3283469

Inventors:
Mcbrady, William J.
Reichel, Howard G.
Publication Date:
11/08/1966
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Assignee:
SWIFT & CO
Primary Class:
53/432
Other Classes:
219/388, 53/485, 219/243, 53/510, 53/471
International Classes:
B65B31/02
US Patent References:
3196590Apparatus for vacuum packaging