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http://www.google.com.au/patents/US465265?utm_source=gb-gplus-share
Patent US465265 - RUBBER-DAM CLAMP
RUBBER-DAM CLAMP
FLORIAN E. HANSEN et al
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 465265
Filing date
: 2 Oct 1891
Issue date
: 15 Dec 1891
Inventors
:
FLORIAN E. HANSEN
,
FLORIAN E. HANSEN
Current U.S. Classification
:
433/137
View patent at USPTO
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US4626211
20 Sep 1985
2 Dec 1986
Dental shield
US5484283
28 Jul 1993
16 Jan 1996
Siemens Aktiengesellschaft
Method and apparatus for treating hard dental substances
Drawings
Drawings
