Place-holding device for books
United States Patent 3016036
US Patent References:
/0445885.html
- - 0445885
/0634768.html
- - 0634768
/0726675.html
- - 0726675
Book-page indicator and retainer
- - 1712137
Portable book light
- - 2524461
/0445885.html
- - 0445885
/0634768.html
- - 0634768
/0726675.html
- - 0726675
Book-page indicator and retainer
- - 1712137
Portable book light
- - 2524461
Inventors:
Jorgensen, Walter T.
Publication Date:
01/09/1962
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Assignee:
Jorgensen, Walter T.
Primary Class:
Other Classes:
D19/34, 281/42
International Classes:
A47B19/10; B42D9/00; A47B19/00
Foreign References:
| GB251586A |