Vacuum flask

Details Vacuum flask Vacuum flask

1986-02-18

1989-04-18

Herrmann, Winifred E.

Equipment for preparing or serving food or drink not elsewhere s

Beverage or liquid serving or dispensing

Provided with flow director

D 7319

Patent

active

D03007090

REFERENCES:
patent: D48560 (1916-02-01), Luttringhaus
patent: D79915 (1929-11-01), Davis et al.
patent: D189939 (1961-03-01), Burton

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