Portable note board

Details Portable note board Portable note board

1997-09-25

1999-10-26

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Writing or drawing surface, e.g., blackboard, drawing board,...

D19 91, D19 90, D20 42, 1906

Patent

active

D04157966

REFERENCES:
patent: D169674 (1953-05-01), Hyams
patent: D247598 (1978-03-01), Kearney
patent: D284589 (1986-07-01), James
patent: D285578 (1986-09-01), Habermehl
patent: 1830030 (1931-11-01), Klein
patent: 1850935 (1932-03-01), Kilpatrick
patent: 2104366 (1938-01-01), Gossett
patent: 2234395 (1941-03-01), Bauder
patent: 2697293 (1954-12-01), Greenhut
patent: 2713738 (1955-07-01), Harman
patent: 4171584 (1979-10-01), Kaiser
patent: 4425727 (1984-01-01), Waldekraute
patent: 4521984 (1985-06-01), Murray

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