Planisphere

Details Planisphere Planisphere

1980-11-21

1983-02-15

Feifer, Melvin B.

Office supplies; artists and teachers materials

Teaching material

Terrestrial or extraterrestrial map or model

D1907

Patent

active

D02679582

REFERENCES:
patent: D88727 (1932-12-01), Metzner
patent: D114749 (1939-05-01), Brophy
patent: 3673710 (1972-07-01), Eisenhauer

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