Combined pen and caliper

Details Combined pen and caliper Combined pen and caliper

1990-09-28

1992-09-08

Walsh, Donald P.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Plural or combined

D10 73, D19 43, D19 51, D19 56, D19 57

Patent

active

D03292525

REFERENCES:
patent: D138875 (1944-09-01), Weiss
patent: D150320 (1948-07-01), Starr
patent: D159095 (1950-06-01), Peterson et al.
patent: D189772 (1961-02-01), Serin
patent: D226466 (1973-03-01), Bajusz
patent: D267509 (1983-01-01), Wannag
patent: D289368 (1987-04-01), Mann
patent: D324067 (1992-02-01), Katami
patent: 2364806 (1944-12-01), Nash

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