CA1314159C - Appareil d'hygiene dentaire
- Google Patents
Appareil d'hygiene dentaire
Info
Publication number
CA1314159C
CA1314159CCA000584082ACA584082ACA1314159CCA 1314159 CCA1314159 CCA 1314159CCA 000584082 ACA000584082 ACA 000584082ACA 584082 ACA584082 ACA 584082ACA 1314159 CCA1314159 CCA 1314159C
Authority
CA
Canada
Prior art keywords
transducer
frequency
signal
handle
end portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Washington
Original Assignee
University of Washington
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of WashingtonfiledCriticalUniversity of Washington
Priority to CA000584082ApriorityCriticalpatent/CA1314159C/fr
Application grantedgrantedCritical
Publication of CA1314159CpublicationCriticalpatent/CA1314159C/fr