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Patents
Patents Assigned to Jerrold Frezel
Patents Assigned to Jerrold Frezel
Dental bite tray
Patent number:
D277605
Type:
Grant
Filed:
April 19, 1982
Date of Patent:
February 12, 1985
Assignees:
Morton Charlestein, Jerrold Frezel
Inventor:
Samuel R. Werrin