JB

John Michael Barker

MH Mdc Investment Holdings: 2 patents #3 of 3Top 100%
📍 Ventura, CA: #7 of 74 inventorsTop 10%
🗺 California: #2,144 of 26,763 inventorsTop 9%
Overall (2002): #27,494 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6461362 Catheter insertion device with retractable needle Thor R. Halseth, Michael J. Botich 2002-10-08
6398743 Medical device for inserting a guide wire having a retractable needle Thor R. Halseth, Michael J. Botich 2002-06-04
6354325 Underground access conduit Kenneth F. Warnes, Christian O. Nelson, Frank M. McElheran, Lance S. Landis, Thane J. Landis +2 more 2002-03-12