BJ

Billie John Barwick, Jr.

📍 Beverly, MA: #3 of 27 inventorsTop 15%
🗺 Massachusetts: #422 of 4,501 inventorsTop 10%
Overall (1997): #44,942 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5700240 Phacoemulsification system having ultrasonic power controlled by aspiration vacuum sensor James H. Little 1997-12-23
5591127 Phacoemulsification method and apparatus James H. Little 1997-01-07