Title:
Bite block
United States Patent 3228107
US Patent References:
Denture with check valve means
- - 2897594


Inventors:
Zandberg, Paul I.
Publication Date:
01/11/1966
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Assignee:
Zandberg, Paul I.
Primary Class:
433/71
Other Classes:
D24/176
International Classes:
A61C19/05; A61C19/04
Foreign References:
GB328571A