IP Library › Granted Patent US 5,997,304
Granted Patent Utility
US 5,997,304 · App. 08/792,248

Interactive phonics learning mat

Inventor: Michael C. Wood
Patented Case View Patent ↗
Granted: Dec 7, 1999 Filed: Jan 31, 1997
Inventor
Michael C. Wood
Assignee (at issue)
Knowledge Kids Enterprises, Inc.

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Quick Facts
Patent No.
US 5,997,304
App. No.
08/792,248
Filed
1997-01-31
Granted
1999-12-07
Kind
A