JB

John Michael Barker

MH Mdc Investment Holdings: 2 patents #1 of 4Top 25%
📍 Ventura, CA: #4 of 50 inventorsTop 8%
🗺 California: #3,906 of 28,370 inventorsTop 15%
Overall (2004): #58,581 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6786875 Medical device with shield having a retractable needle Thor R. Halseth, Michael J. Botich 2004-09-07
6752798 Retractable needle medical device for injecting fluid from a pre-filled cartridge Robert T. McWethy, Michael J. Botich, Thor R. Halseth 2004-06-22