Handheld electronic clipboard

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

Patent

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Details

D19 90, D19 91, D10 2, D18 2

Patent

active

D03547728

REFERENCES:
patent: D218720 (1970-09-01), Shahan
patent: D240621 (1976-07-01), Houser
patent: D243688 (1977-03-01), Keyko et al.
patent: D284678 (1986-07-01), Shamoon
patent: D313819 (1991-01-01), Craft, Jr. et al.
patent: D329061 (1992-09-01), Szablak et al.
patent: D334214 (1993-03-01), Gonzales
patent: D341626 (1993-11-01), Rosmarin, Jr. et al.
patent: 5180133 (1993-01-01), Chang
Hong Kong Enterprise, Nov. 1987, p. 133 see item #7695-BP-2-2, page center.

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