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http://www.google.com/patents/US1772596?utm_source=gb-gplus-share
Patent US1772596 - TRAYLOR
TRAYLOR
J. A. TRAYLOR et al
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Abstract
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Description
Claims
Patent number
: 1772596
Filing date
: Jul 16, 1923
Issue date
: Aug 12, 1930
Inventors
:
J. A. TRAYLOR
,
J. A. TRAYLOR
Current U.S. Classification
:
310/27
;
131/108
;
209/346
;
209/368
;
210/388
;
310/29
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US4749891
Mar 12, 1986
Jun 7, 1988
Non-linear electromagnetic vibration device
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