RH

Robert I. Hirshburg

EA E.I. Du Pont De Nemours And: 4 patents #1,770 of 8,010Top 25%
📍 Hendersonville, NC: #61 of 260 inventorsTop 25%
🗺 North Carolina: #11,920 of 45,564 inventorsTop 30%
Overall (All Time): #1,291,692 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5458925 Dual geometry for slide-bead coating Kostas N. Christodoulou 1995-10-17
5380365 Lip surface geometry for slide bead coating 1995-01-10
5332440 Coating lip geometry for slide bead coating 1994-07-26
4443504 Coating method Richard S. Burket, Brian Conaghan 1984-04-17