Liquid purification or separation – Processes – Utilizing electrical or wave energy directly applied to...
Reexamination Certificate
2006-08-15
2006-08-15
Prince, Fred G. (Department: 1724)
Liquid purification or separation
Processes
Utilizing electrical or wave energy directly applied to...
C210S764000, C422S020000, C134S16600C, C134S022100
Reexamination Certificate
active
07090778
ABSTRACT:
A device (1) for preventing the growth of the bacteria or removing the bacteria bred on the inner wall surfaces of the ducts (8, 9, 10) of a dental unit, comprising a transponder (3) having a control unit (2) generating electric signals including audible frequency components, a coil (3a), and a case (3b) for storing the coil (3a) and mounting means (5) for mounting the transponder (3) on the outer wall surface of the duct (8), whereby an audible frequency electric signal allowed to transmit through the ducts (8, 9, 10) is generated by applying the electric signals to the coil (3a).
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Bio-Signal Corporation Ltd.
Marshall & Gerstein & Borun LLP
Prince Fred G.
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