Title:
PROTECTIVE MOUTHPIECE
United States Patent 3448738
US Patent References:
Protective mouthpiece
- - 2847003

Mouth protector
- - 3312218

Means for protecting the mouth
- - 3314423


Inventors:
Berghash, Robert D.
Publication Date:
06/10/1969
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Assignee:
SHIELD MFG INC
Primary Class:
128/861
Other Classes:
2/9
International Classes:
A63B71/08; A42B3/02; A61C7/00




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