Book holding device
United States Patent 3031795
US Patent References:
/0498578.html
- - 0498578

/0715372.html
- - 0715372

Bookholder
- - 1888525

Bookholder
- - 1947053

Adjustable support
- - 2014176


Inventors:
Fred, Frost
Publication Date:
05/01/1962
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Assignee:
Fred, Frost
Primary Class:
248/452
International Classes:
A47B23/06; A47B23/00
US Patent References:
2570439Holder for sheets, books, and the like
2586524Painter's kit