Dental isolation tray for use with air abrasive techniques
United States Patent 2637107
US Patent References:
/0663178.html
- - 0663178

/0762231.html
- - 0762231

Refrigerating apparatus
- - 2082549


Inventors:
Daigle, Bert J.
Publication Date:
05/05/1953
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Assignee:
Ellis, Woody Thompson
Primary Class:
433/136
International Classes:
A61C3/025; A61C5/14; A61C3/02; A61C5/00