Button card
United States Patent 2472532
US Patent References:
/0228298.html
- - 0228298

/0414515.html
- - 0414515

/0785857.html
- - 0785857

Shipping card for backings for artificial teeth
- - 1734032


Inventors:
Hellman, Jacob J.
Publication Date:
06/07/1949
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Assignee:
Hellman, Jacob J.
Primary Class:
206/348
Other Classes:
206/488
International Classes:
A44B7/00; G09F5/04; G09F5/00
Foreign References:
DE61918C