LB

Ludger Bertels

EA E.I. Du Pont De Nemours And: 1 patents #116 of 563Top 25%
📍 Nottuln, DE: #1 of 1 inventorsTop 100%
Overall (1989): #82,850 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4889292 Lightproof cassette Erhard Loewe 1989-12-26