Perpetual calendar

Details Perpetual calendar Perpetual calendar

1999-02-09

2000-01-04

Coles, Doris V.

Office supplies; artists and teachers materials

Calendar or calendar holder

Perpetual

1903

Patent

active

D04185390

REFERENCES:
patent: D203725 (1966-02-01), Genin
patent: D258811 (1981-04-01), You
patent: D274535 (1984-07-01), Hicks
patent: D363227 (1995-10-01), Seehr
patent: D367496 (1996-02-01), Little
patent: 373235 (1887-11-01), Isbell
patent: 2523206 (1950-09-01), Fluette
patent: 3565246 (1971-02-01), Anderson
patent: 4176478 (1979-12-01), Brewer

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