WH

William D. Helgeson

ME Medtronic: 3 patents #2,453 of 6,325Top 40%
📍 Minneapolis, MN: #1,962 of 6,114 inventorsTop 35%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,652,249 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5455123 Method for making an electrochemical cell Craig L. Schmidt, Bernard F. Heller, Jr., Daniel Michels 1995-10-03
5209994 Lithium-iodine electrochemical cells with improved end of life characteristics David L. Blattenberger, John C. Strohkirch, Bernard F. Heller, Jr. 1993-05-11
4398346 Method for lithium anode and electrochemical cell fabrication Lloyd J. Underhill 1983-08-16