Title:
Cheek and tooth protector
United States Patent 3307539
US Patent References:
Antisnoring device
- - 2627268


Inventors:
Petersen, Gerald A.
Publication Date:
03/07/1967
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Assignee:
PETERSEN ENGINEERING CO INC
Primary Class:
128/861
Other Classes:
D24/176, 132/333
International Classes:
A63B71/08