Title:
Bookmarker
United States Patent 1809943

Inventors:
Pierce, Ockenden
Publication Date:
06/16/1931
View Patent Images:
Download PDF 1809943 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
William, Lee D.
Primary Class:
116/239
Other Classes:
D19/34, 281/42
International Classes:
B42D3/14; B42D3/00