Machines not elsewhere specified – Packaging or wrapping – Vacuum or heat seal
Patent
1991-05-23
1993-09-14
Douglas, Alan P.
Machines not elsewhere specified
Packaging or wrapping
Vacuum or heat seal
Patent
active
D03393623
REFERENCES:
patent: D196938 (1963-11-01), Wicks
patent: 4790155 (1988-12-01), Daniel et al.
American Linc Corporation
Davis Antoine D.
Dougherty Ralph H.
Douglas Alan P.
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