DH

Dennis Hanson

SP Spx: 4 patents #73 of 468Top 20%
Overall (All Time): #852,118 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8979071 Video jack and a method of operation Darren Schumacher, Robert Kochie 2015-03-17
8757034 Oxygen sensor tool and method for installation and removal of an oxygen sensor Dirk Skogerboe, Scott Krampitz 2014-06-24
7296787 Retractable support apparatus and method Jose Barrios, Eric Adamson 2007-11-20
7104164 Spark plug tool James E. Jirele 2006-09-12
D526546 Spark plug socket James E. Jirele 2006-08-15
6357097 Hub puller for front wheel drive vehicles James M. Lundgreen, Larry Betcher 2002-03-19