DB

David P. Bortfeld

RC Rca: 1 patents #133 of 435Top 35%
📍 Kendall Park, NJ: #4 of 12 inventorsTop 35%
🗺 New Jersey: #754 of 2,847 inventorsTop 30%
Overall (1982): #71,099 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4341952 Variable pitch grooved label for video disc Gunter John, Philip M. Heyman 1982-07-27