Title:
Illuminated greeting cards
United States Patent 2826844
US Patent References:
Changeable luminous display sign
- - 1843980
Device for exhibiting transparencies
- - 2298754
Switch operating device
- - 2391231
Illuminated greeting card
- - 2607145
Changeable luminous display sign
- - 1843980
Device for exhibiting transparencies
- - 2298754
Switch operating device
- - 2391231
Illuminated greeting card
- - 2607145
Inventors:
Walter, Leika
Publication Date:
03/18/1958
View Patent Images:
Export Citation:
Assignee:
Walter, Leika
Primary Class:
Other Classes:
40/902, 40/716, D19/6, 200/61.770, D19/31
International Classes:
A47G1/06
Foreign References:
| GB542250A | ||||
| FR935310A |