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Dental appliance
US 2,937,445 A
Filed
: 10/19/1956
Issued
: 05/24/1960
Est. Priority Date
: 10/19/1956
Status: Expired due to Term
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Current Assignee
Norman R. Erickson
Original Assignee
Norman R. Erickson
Inventors
Erickson, Norman R.
Application Number
US03/616,987
Time in Patent Office
1,313 Days
Field of Search
US Class Current
433/93
CPC Class Codes
A61B 1/24
for the mouth, i.e. stomato...
A61C 17/08
Aspiration nozzles
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