Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent
1990-09-10
1993-03-16
Gandy, James M.
Office supplies; artists and teachers materials
Teaching material
Demonstrator or exhibitor
Patent
active
D03340244
REFERENCES:
patent: D256373 (1980-08-01), Marks
patent: 2501520 (1950-03-01), Howard
patent: 4288222 (1981-09-01), Kling
La Pine Science 1970-1971, p. 74, Exposed prostate in male torso.
Cenco Educational Catalog, 1969, p. 296, Prostate gland in #52811-1.
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