Title:
Dental matrix apparatus
United States Patent 2646622


Inventors:
Christie, Donald R.
Bottemiller, Merton M.
Application Number:
US16870250A
Publication Date:
07/28/1953
Filing Date:
06/17/1950
Assignee:
Christie, Donald R.
Bottemiller, Merton M.
Primary Class:
Other Classes:
433/162
International Classes:
A61C5/12
View Patent Images:
US Patent References:
2401714Finger cap1946-06-04
2267836Matrix and holder therefor1941-12-30
1550425Means for protecting fillings from moisture1925-08-18
1265581N/A1918-05-07
1151253N/A1915-08-24