Book marking device
United States Patent 2585421
US Patent References:
/0399768.html
- - 0399768

/0718291.html
- - 0718291

/0919806.html
- - 0919806

/1008481.html
- - 1008481

/1232116.html
- - 1232116


Inventors:
Armand, Estelle T.
Publication Date:
02/12/1952
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Assignee:
Armand, Estelle T.
Primary Class:
116/240
Other Classes:
24/565, 33/465, 116/235, 281/42
International Classes:
B42D9/00
US Patent References:
1308574
1767177Combined reading guide and bookmark
2189180Bookmarker
2415248Index tab