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Donald I. Chipman

Mason City, IA: #1 of 3 inventorsTop 35%

Iowa: #149 of 653 inventorsTop 25%

Overall (1997): #158,754 of 185,788Top 90%

1 Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5697357	Peep sight for archers	—	1997-12-16