Crayon holder

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Element or attachment

Patent

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Details

D19 41, D19 48, D19 51

Patent

active

D03602230

REFERENCES:
patent: D20040 (1890-07-01), Mabie
patent: D39561 (1908-09-01), Boman
patent: D143049 (1945-11-01), Waldinger
patent: D143508 (1946-01-01), Reynolds
patent: D149672 (1948-05-01), Phillips
patent: D303992 (1989-10-01), Grotsch
patent: D316427 (1991-04-01), Tinz
patent: D325932 (1992-05-01), Redfern
patent: D329873 (1992-09-01), Tu
patent: D353397 (1994-12-01), Banik
patent: 2762336 (1956-09-01), Estes

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