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Dave Christofferson — 2 Patents

QUQuadtech: 2 patents #28 of 80Top 35%
Sussex, WI: #95 of 229 inventorsTop 45%
Wisconsin: #17,225 of 40,088 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Dave Christofferson has been granted 2 US patents while listed as an inventor at Quadtech. The first was granted in 1998 and the most recent in February 2000. Dave Christofferson ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dave Christofferson in Sussex, WI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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

Frequent Collaborators

Lawrence S. Klaas2 shared

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