Title:
Coded envelope to facilitate sorting
United States Patent 2775405
US Patent References:
/RE23385.html
- - RE23385

Marker for filing systems
- - 2185696

Control card blank
- - 2195860

Statistical record
- - 2357444

Bank check
- - 2459263


Inventors:
Louis, Paston
Publication Date:
12/25/1956
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Assignee:
Louis, Paston
Primary Class:
235/488
Other Classes:
209/584, 209/900, D19/3, 283/71, 283/116, 101/389.100, 229/68.100
International Classes:
B07C3/18; B07C3/00
US Patent References:
2650024Record member
2675170Record card construction
2690301Record card
2709001Sorting stamp
2742222Envelopes