Reusable extractor-stopper for laboratory glassware

Details Reusable extractor-stopper for laboratory glassware Reusable extractor-stopper for laboratory glassware

1982-07-19

1985-08-13

Kemper, Catherine E.

Packages and containers for goods

Element or attachment

Closure, cover, or pouring attachment

D 9440, D24 29

Patent

active

D02800802

REFERENCES:
patent: D23176 (1894-04-01), Tatum
patent: D157332 (1950-02-01), Bolard
patent: 2801017 (1957-07-01), Cortat

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