Jack Richard GRENFELL

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Rocklin, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Point of sale device and method for operating same
- Patent number 11,088,767
- Issue date Aug 10, 2021
- Verifone, Inc.
- Michael Schmid
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic stripe card reader
- Patent number 9,208,361
- Issue date Dec 8, 2015
- Verifone Inc.
- Jack Richard Grenfell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Point of sale device and method for operating same
- Patent number 9,020,427
- Issue date Apr 28, 2015
- Verifone, Inc.
- Michael Schmid
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Enhanced security magnetic card reader especially useful in point o...
- Patent number 7,878,397
- Issue date Feb 1, 2011
- Verifone, Inc.
- Mehran Mirkazemi-Moud
- G07 - CHECKING-DEVICES
Information Patent Grant
Point of sale (POS) terminal security system
- Patent number 6,917,299
- Issue date Jul 12, 2005
- Hewlett-Packard Development Company, L.P.
- Shuzhen Fu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Point of sale (POS) terminal security system
- Patent number 6,646,565
- Issue date Nov 11, 2003
- Hewlett-Packard Development Company, L.P.
- Shuzhen Fu
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
POINT OF SALE DEVICE AND METHOD FOR OPERATING SAME
- Publication number 20150195049
- Publication date Jul 9, 2015
- VERIFONE, INC.
- Michael SCHMID
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
KEYPAD
- Publication number 20150008111
- Publication date Jan 8, 2015
- VERIFONE, INC.
- Jack Richard GRENFELL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POINT OF SALE DEVICE AND METHOD FOR OPERATING SAME
- Publication number 20130225075
- Publication date Aug 29, 2013
- VERIFONE, INC.
- Michael SCHMID
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENHANCED SECURITY MAGNETIC CARD READER ESPECIALLY USEFUL IN POINT O...
- Publication number 20090127336
- Publication date May 21, 2009
- VERIFONE, INC.
- Mehran Mirkazemi-Moud
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Point of sale (POS) terminal security system
- Publication number 20030137416
- Publication date Jul 24, 2003
- Shuzhen Fu
- G06 - COMPUTING CALCULATING COUNTING