Title:
Manifold envelope strip
Document Type and Number:
United States Patent 2192559

Inventors:
Potter, Charles W.
      Plaque It!

Sponsored by:
Flash of Genius
Publication Date:
03/05/1940
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Assignee:
Potter, Charles W.
Primary Class:
Other Classes:
40/541
International Classes:
B42D5/02; B42D5/00




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