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Michael B. Critchfield — 1 Patent

DED&D Enterprises: 1 patents #3 of 8Top 40%

Stanwood, MI: #9 of 14 inventorsTop 65%

Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #3,412,023 of 4,157,543Top 85%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D518245	Game feeder	Ronald S. Denslow	2006-03-28