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Electric tooth brush
US 2,709,227 A
Filed
: 02/20/1952
Issued
: 05/24/1955
Est. Priority Date
: 02/20/1952
Status: Expired due to Term
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Current Assignee
John W. Davis
,
Theo L. Foley
Original Assignee
John W. Davis
,
Theo L. Foley
Inventors
Foley, Theo L.
,
Davis, John W.
Application Number
US03/272,629
Time in Patent Office
1,189 Days
Field of Search
US Class Current
310/29
CPC Class Codes
A61C 17/3436
Rotation around the axis pe...
H02K 33/10
wherein the alternate energ...
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