Ink cartridge with rupturable sealing element

Details Ink cartridge with rupturable sealing element Ink cartridge with rupturable sealing element

1978-04-27

1980-02-26

Stearman, Joel

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Element or attachment

D1906

Patent

active

D02543168

REFERENCES:
patent: D249887 (1978-10-01), Anderka
patent: 2951466 (1960-09-01), Bross
patent: 4103999 (1978-08-01), Anderka

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