Donald O. Niederhauser

EA E.I. Du Pont De Nemours And: 2 patents #2,942 of 8,010Top 40%

📍 Wilmington, DE: #1,519 of 3,182 inventorsTop 50%

🗺 Delaware: #3,234 of 7,163 inventorsTop 50%

Overall (All Time): #2,372,969 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4233349	Suede-like product and process therefor	—	1980-11-11
4190695	Hydraulically needling fabric of continuous filament textile and staple fibers	—	1980-02-26