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Dave Christofferson

QUQuadtech: 2 patents #28 of 80Top 35%

Sussex, WI: #94 of 229 inventorsTop 45%

Wisconsin: #17,084 of 40,088 inventorsTop 45%

Overall (All Time): #2,234,163 of 4,157,543Top 55%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6019047	Gripper conveyor with preliminary ink jet	Lawrence S. Klaas	2000-02-01
5819663	Gripper conveyor with preliminary ink jet	Lawrence S. Klaas	1998-10-13