FM

Frank D. Marsh

EA E.I. Du Pont De Nemours And: 4 patents #1,770 of 8,010Top 25%
📍 Wilmington, DE: #911 of 3,182 inventorsTop 30%
🗺 Delaware: #1,825 of 7,163 inventorsTop 30%
Overall (All Time): #1,037,625 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D506395 Card dispenser Raymond Coles 2005-06-21
4482371 Method and composition for suppressing the nitrification of ammonium nitrogen in soil Peter G. Heytler 1984-11-13
4405760 Chlorination and crosslinking of selected polymers with Cl.sub.2 O or HOCl Edward G. Howard, Jr. 1983-09-20
4327036 Chlorination process 1982-04-27
4226783 .alpha.-Chlorination process 1980-10-07