Record pressing matrix
United States Patent 2092880

Inventors:
Hunter, James H.
Buzzelli, Julius C.
Publication Date:
09/14/1937
View Patent Images:
Download PDF 2092880 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
RCA CORP
Primary Class:
425/385
Other Classes:
425/810
International Classes:
B29C43/02