John Knaack has been granted 5 US patents while listed as an inventor at Entrust Datacard . The first was granted in 2004 and the most recent in March 2023. John Knaack ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John Knaack in Burnsville, MN, US.
Patents per Year Patents granted per year, 2004 to 2023 Bar chart with a peak of 2 patents in 2020. peak 2 2004: 1 patents 2004 2011: 1 patents 2011 2020: 2 patents 2020 2023: 1 patents 2023
Issued Patents All Time
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Showing 1–5 of 5 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11613140 Methods and systems for printing vibrant grey colors on plastic cards Miguel Ayala , Heather Maershbecker , Rajesh K. Juriasingani , Wade Kragtorp 2023-03-28
10744806 Obscuring residual images on print ribbons Rajesh K. Juriasingani , Patrick C. Cronin 2020-08-18
10661593 Methods and systems for printing vibrant grey colors on plastic cards Miguel Ayala , Heather Maershbecker , Rajesh K. Juriasingani , Wade Kragtorp 2020-05-26
7866810 Ink jet printer Kevin Campion , Aaron Barclay , Chad E. Beery , Christian Vasbo , Corrine Ruether +5 more 2011-01-11
$14,001,000
6789876 Co-operating mechanical subassemblies for a scanning carriage, digital wide-format color inkjet print engine Aaron Barclay , Dale G. Nordenstrom , Daniel Jankovich , Dennis B. Shell , Ivor F. Matz +10 more 2004-09-14
