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Title:
Interchangeable calendar
United States Patent 2892275
Inventors:
Woofter, Cecil B.
Publication Date:
06/30/1959
Assignee:
BROWN & BIGELOW
Primary Class:
Other Classes:
D19/23, D19/24
International Classes:
B42D5/04
View Patent Images:
US Patent References:
2626819Loose-leaf display calendar
1356892Mounting for cards
1067901N/A
0715479N/A
0442023N/A
0261889N/A
0160391N/A
D026537N/A
Foreign References:
GB512386A