Frederick C. Zumsteg, Jr.

EA E.I. Du Pont De Nemours And: 1 patents #109 of 462Top 25%

📍 Wilmington, DE: #77 of 250 inventorsTop 35%

🗺 Delaware: #155 of 524 inventorsTop 30%

Overall (2005): #201,348 of 245,428Top 85%

Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6872503	Copolymers for photoresists and processes therefor	Robert Clayton Wheland, Roger Harquail French, Frank Leonard Schadt, III	2005-03-29