Math teaching aid
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Description
The sole FIGURE is a front view of my new child math design.
The design is the combination of a hand print (plus) a numerical number.
Claims
The ornamental design for math teaching aid, as shown and described.
Referenced Cited
Patent History
Patent number: D621877
Type: Grant
Filed: Mar 17, 2008
Date of Patent: Aug 17, 2010
Assignee: (Richmond Twp., MI)
Inventor: Michael Dean Williams (Richmond Township, MI)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Michael A Pratt
Application Number: 29/301,784
Type: Grant
Filed: Mar 17, 2008
Date of Patent: Aug 17, 2010
Assignee: (Richmond Twp., MI)
Inventor: Michael Dean Williams (Richmond Township, MI)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Michael A Pratt
Application Number: 29/301,784
Classifications
Current U.S. Class:
Teaching Material (D19/59)
