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Donald B. Keys

East Cleveland, OH: #1 of 3 inventorsTop 35%

Ohio: #1,244 of 4,576 inventorsTop 30%

Overall (1997): #158,208 of 185,788Top 90%

1 Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5626175	Plastic film indoor window insulation kit with reinforced access ports	—	1997-05-06