JV

J. David Vonderhaar

MI Midtronics: 14 patents #3 of 58Top 6%
Overall (All Time): #352,504 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8754653 Electronic battery tester Kevin I. Bertness 2014-06-17
7940052 Electronic battery test based upon battery requirements Kevin I. Bertness 2011-05-10
7656162 Electronic battery tester with vehicle type input Kevin I. Bertness 2010-02-02
7557586 Electronic battery tester Kevin I. Bertness 2009-07-07
7501795 Battery charger with booster pack Kevin I. Bertness 2009-03-10
7295936 Electronic battery tester with relative test output Kevin I. Bertness 2007-11-13
7119686 Theft prevention device for automotive vehicle service centers Kevin I. Bertness 2006-10-10
7015674 Booster pack with storage capacitor 2006-03-21
7003410 Electronic battery tester with relative test output Kevin I. Bertness 2006-02-21
6930485 Electronic battery tester with battery failure temperature determination Kevin I. Bertness, Dennis V. Brown, James K. Klang, Albert G. Kimbrough 2005-08-16
6919725 Electronic battery tester/charger with integrated battery cell temperature measurement device Kevin I. Bertness 2005-07-19
6788025 Battery charger with booster pack Kevin I. Bertness 2004-09-07
6566883 Electronic battery tester Kevin I. Bertness 2003-05-20
6469511 Battery clamp with embedded environment sensor Kevin I. Bertness 2002-10-22