John L. Knaack

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Burnsville, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and systems for printing vibrant grey colors on plastic cards
- Patent number 11,613,140
- Issue date Mar 28, 2023
- Entrust Corporation
- Miguel Ayala
- B32 - LAYERED PRODUCTS
Information Patent Grant
Obscuring residual images on print ribbons
- Patent number 10,744,806
- Issue date Aug 18, 2020
- ENTRUST DATACARD CORPORATION
- John Knaack
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Methods and systems for printing vibrant grey colors on plastic cards
- Patent number 10,661,593
- Issue date May 26, 2020
- ENTRUST DATACARD CORPORATION
- Miguel Ayala
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Ink jet printer
- Patent number 7,866,810
- Issue date Jan 11, 2011
- Hewlett-Packard Development Company, L.P.
- Kevin Campion
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Co-operating mechanical subassemblies for a scanning carriage, digi...
- Patent number 6,789,876
- Issue date Sep 14, 2004
- Aaron G. Barclay
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND SYSTEMS FOR PRINTING VIBRANT GREY COLORS ON PLASTIC CARDS
- Publication number 20200238746
- Publication date Jul 30, 2020
- ENTRUST DATACARD CORPORATION
- Miguel AYALA
- B32 - LAYERED PRODUCTS
Information Patent Application
OBSCURING RESIDUAL IMAGES ON PRINT RIBBONS
- Publication number 20190366750
- Publication date Dec 5, 2019
- ENTRUST DATACARD CORPORATION
- John KNAACK
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHODS AND SYSTEMS FOR PRINTING VIBRANT GREY COLORS ON PLASTIC CARDS
- Publication number 20190366754
- Publication date Dec 5, 2019
- ENTRUST DATACARD CORPORATION
- Miguel AYALA
- B32 - LAYERED PRODUCTS
Information Patent Application
Ink jet printer
- Publication number 20080192075
- Publication date Aug 14, 2008
- Kevin Campion
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Co-operating mechanical subassemblies for a scanning carriage, digi...
- Publication number 20030007023
- Publication date Jan 9, 2003
- Aaron G. Barclay
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS