FH

Fred J. Harper

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Cherryville, NC: #73 of 157 inventorsTop 50%
🗺 North Carolina: #26,533 of 45,564 inventorsTop 60%
Overall (All Time): #3,858,991 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5146438 Method of making double-sided magneto-optical disks having reduced birefringence — 1992-09-08