Machines not elsewhere specified – Packaging or wrapping – Vacuum or heat seal
Patent
1986-12-18
1988-11-29
Bullock, B. J.
Machines not elsewhere specified
Packaging or wrapping
Vacuum or heat seal
Patent
active
D02987589
REFERENCES:
patent: D238444 (1976-01-01), Schipper
patent: D277386 (1985-01-01), Yamada
patent: 4021290 (1977-05-01), Smith
patent: 4104108 (1978-08-01), Kishida
patent: 4378266 (1983-03-01), Gerken
Bullock B. J.
Sharp Corporation
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