JB

John Michael Barker

3M: 2 patents #84 of 952Top 9%
📍 Ventura, CA: #5 of 53 inventorsTop 10%
🗺 California: #1,124 of 13,957 inventorsTop 9%
Overall (1994): #29,902 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5338305 Trocar Alan K. Plyley, Claude Vidal, Russell J. Redmond 1994-08-16
D349574 Trocar Gerald L. Metcalf, Alan K. Plyley 1994-08-09