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Calvin Heinen

Kiel, WI: #2 of 3 inventorsTop 70%

Wisconsin: #406 of 1,957 inventorsTop 25%

Overall (1994): #41,263 of 165,921Top 25%

1 Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5346207	Illuminated backboard	—	1994-09-13