Dental impression tray
United States Patent 3107428
US Patent References:
Metallic socket and mold for amalgam dies
- - 1867300

Dental tray
- - 2587782

Dental impression tray
- - 2657461

Dental tray
- - 2911722

Interchangeable articulator
- - 2928175


Inventors:
Freeman, Stephen T.
Publication Date:
10/22/1963
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Assignee:
Freeman, Stephen T.
Primary Class:
433/43
Other Classes:
D24/181
International Classes:
A61C9/00