Pencil cup

Details Pencil cup Pencil cup

1990-06-12

1992-06-16

Walsh, Donald P.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D19 77, D19 81, D 7532

Patent

active

D03270939

REFERENCES:
patent: D39591 (1908-09-01), Low
patent: D87712 (1932-09-01), Conner
patent: D96112 (1935-07-01), Guerlain
patent: D103823 (1937-03-01), Lowenstein
patent: D118411 (1940-01-01), Dolgorukov
patent: D187897 (1960-05-01), Kipp
patent: D211856 (1968-08-01), Ullman
patent: D214768 (1969-07-01), Hillis
patent: D217040 (1970-03-01), Smith
patent: D264224 (1982-05-01), Henkels
patent: D309847 (1990-08-01), Scheurer

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