Title:
Dental matrix
United States Patent 2790238


Inventors:
Trangmar, Frank M.
Application Number:
US45518154A
Publication Date:
04/30/1957
Filing Date:
09/10/1954
Assignee:
Trangmar, Frank M.
Primary Class:
Other Classes:
29/896.1
International Classes:
A61C5/12
View Patent Images:
US Patent References:
2722746Dental appliance1955-11-08
2647315Dental matrix instrument1953-08-04
1670361Tooth band1928-05-22