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http://www.google.ca/patents/US3719003?utm_source=gb-gplus-share
Patent US3719003 - TOY BUILDING SET
TOY BUILDING SET
Finn Skjoldborg et al
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 3719003
Filing date
: 10 May 1971
Issue date
: 1973
Inventors
:
Finn Skjoldborg
,
Finn Skjoldborg
Current U.S. Classification
:
446/121
;
24/595.1
;
24/DIG.41
View patent at USPTO
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Referenced by
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Original Assignee
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US8105128
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Drawings
Drawings
