RF

Ronald W. Froelich

📍 Covina, CA: #2 of 11 inventorsTop 20%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #63,470 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4829166 Computerized data-bearing card and reader/writer therefor — 1989-05-09