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http://www.google.co.uk/patents/US3380864?utm_source=gb-gplus-share
Patent US3380864 - METHOD OF PRODUCING LENTICULAR EMBOSSING ROLLS
METHOD OF PRODUCING LENTICULAR EMBOSSING ROLLS
Frank W. Broderick et al
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 3380864
Filing date
: 13 Jan 1965
Issue date
: 30 Apr 1968
Inventors
:
Frank W. Broderick
,
Frank W. Broderick
Current U.S. Classification
:
216/9
;
101/23
;
216/44
;
216/49
;
428/30
;
430/320
View patent at USPTO
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Original Assignee
Title
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US5406705
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Drawings
Drawings
