Power driven toothbrush
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United States of America Patent
Stats
-
Oct 11, 1994
Grant Date -
N/A
app pub date -
Sep 24, 1993
filing date -
Sep 24, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hand-held power driven toothbrush carries a pair of exposed brush elements and self-contained driving means effective to directly drive one of said brush elements in oscillation, with linkage between the brush elements such that the second brush element is also oscillated, the two brush elements preferably being oscillated in opposite directions.
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Family
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