William Joseph Letts

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%

📍 Wilmington, DE: #2,050 of 3,182 inventorsTop 65%

🗺 Delaware: #4,431 of 7,163 inventorsTop 65%

Overall (All Time): #3,624,866 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6107238	Process for manufacture and use of improved attrition resistant catalyst	Rashmikant Maganlal Contractor	2000-08-22