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http://www.google.com.au/patents/US673847?utm_source=gb-gplus-share
Patent US673847 - ANTONIN RTLCKL
ANTONIN RTLCKL
ANTONIN RTLCKL et al
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 673847
Filing date
: 8 Jun 1900
Issue date
: 7 May 1901
Inventors
:
ANTONIN RTLCKL
,
ANTONIN RTLCKL
Current U.S. Classification
:
65/90
;
425/292
;
425/408
;
425/441
;
425/808
View patent at USPTO
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US4534723
30 Jan 1984
13 Aug 1985
International Hydron Corporation
Cutting device for the precision trimming of the edge of a centrifugally cast lens
Drawings
Drawings
