Clipboard

Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file

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Details

D19 36, D19 65

Patent

active

D03665011

REFERENCES:
patent: D90769 (1933-09-01), Kamen
patent: D313819 (1991-01-01), Craft, Jr. et al.
patent: D330915 (1992-11-01), Shing-Wai
patent: D353623 (1994-12-01), Jones et al.
patent: D354636 (1995-01-01), Cable
patent: 2170709 (1939-08-01), Cutrow
patent: 2741048 (1956-04-01), Shelton
patent: 3188036 (1965-06-01), Sprung
patent: 3346098 (1967-10-01), Sherbinin
patent: 3389945 (1968-06-01), Thomas
patent: 3620362 (1971-11-01), Valdez
patent: 5116012 (1992-05-01), Offenhauer et al.
patent: 5180133 (1993-01-01), Chang

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