JJ

J. Walter Keller, Jr.

📍 Miami, FL: #1,006 of 4,605 inventorsTop 25%
🗺 Florida: #16,597 of 67,251 inventorsTop 25%
Overall (All Time): #1,674,759 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4639223 Simulated heart display system — 1987-01-27
4452248 Bidirectional pacemaker — 1984-06-05
4412541 Cardiac pacemaker Max Schaldach 1983-11-01