Title:
Face mask and button type pad
United States Patent 2100553

Inventors:
Schutt, William A.
Publication Date:
11/30/1937
View Patent Images:
Download PDF 2100553 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Schutt, William A.
Primary Class:
2/9
International Classes:
A63B71/10; A63B71/08