Title:
Book lock binder
United States Patent 2323123

Inventors:
Donato, Joseph J.
Hardin, Frederick L.
Publication Date:
06/29/1943
View Patent Images:
Download PDF 2323123 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Donato, Joseph J.
Hardin, Frederick L.
Primary Class:
281/47
Other Classes:
402/2
International Classes:
B42F11/02; B42F11/00