Bank check
United States Patent 2459263
US Patent References:
/1236475.html
- - 1236475

Card feeding device
- - 2093555

Statistical card
- - 2165250

Check
- - 2174117

Marker for filing systems
- - 2185696


Inventors:
Callanan, Neil D.
Publication Date:
01/18/1949
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Assignee:
Callanan, Neil D.
Primary Class:
235/487
International Classes:
B42D15/00
US Patent References:
2357444Statistical record
2371008Business instrument and preparation of the same