DK

David Kopel

📍 Craydon Court, CA: #3 of 10 inventorsTop 30%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #122,672 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4890094 Wallet incorporating credit card alarm system — 1989-12-26