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Title:
Window screen
Document Type and Number:
United States Patent 3365841
Inventors:
Marvin, Barnett
Plaque It!
Sponsored by:
Flash of Genius
Publication Date:
01/30/1968
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Referenced by:
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Assignee:
VENETIANAIRE CORP OF AMERICA
Primary Class:
49/67
Other Classes:
D25/53, D25/155, 52/507, 428/66.600
International Classes:
E06B9/24
US Patent References:
0487695
0509663
1528049
Chair
1889976
Designing frame
2310734
Floor construction
2654164
Abacus
2655737
Abacus
2708797
Counting frame
2888753
Arithmetic instruction apparatus
3151404
Abacus
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