JB

John Michael Barker

MH Mdc Investment Holdings: 3 patents #3 of 5Top 60%
📍 Ventura, CA: #6 of 69 inventorsTop 9%
🗺 California: #2,413 of 28,521 inventorsTop 9%
Overall (2003): #28,317 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6607511 Medical device with safety flexible needle Thor R. Halseth, Robert T. McWethy 2003-08-19
6569115 Pre-filled retractable needle injection device Thor R. Halseth, Michael J. Botich, Robert L. Hall 2003-05-27
6547762 Retractable needle medical device Michael J. Botich, Thor R. Halseth 2003-04-15