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Arthur G. Duppstadt

Leechburg, PA: #1 of 6 inventorsTop 20%

Pennsylvania: #507 of 5,047 inventorsTop 15%

Overall (2004): #72,697 of 270,089Top 30%

2 Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6764180	Multifocal contact lens and method of making the same	—	2004-07-20
6709102	Multifocal contact lens and method of making the same	—	2004-03-23