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http://www.google.com.au/patents/US3213741?utm_source=gb-gplus-share
Patent US3213741 - NOTCHING UNIT
NOTCHING UNIT
Frank E. Harding et al
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 3213741
Filing date
: 23 Apr 1962
Issue date
: 1965
Inventors
:
Frank E. Harding
,
Frank E. Harding
Current U.S. Classification
:
83/588
;
83/635
;
83/693
;
83/917
View patent at USPTO
Search USPTO Assignment Database
Referenced by
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Issue date
Original Assignee
Title
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Drawings
Drawings
