Title:
Diagnosticum
Document Type and Number:
United States Patent 1988634

Inventors:
Stonecypher, David D.
      Plaque It!

Sponsored by:
Flash of Genius
Publication Date:
01/22/1935
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Assignee:
Stonecypher, David D.
Primary Class:
Other Classes:
600/301
International Classes:
G06K21/04; G06K21/00




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