Michael Callahan

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Urbana, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Anonymous digital identification
- Patent number 10,586,253
- Issue date Mar 10, 2020
- Michael Callahan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Anonymous digital identification
- Patent number 9,633,372
- Issue date Apr 25, 2017
- One, Inc.
- Michael Callahan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Anonymous digital identification
- Patent number 9,258,133
- Issue date Feb 9, 2016
- One, Inc.
- Michael Callahan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Anonymous digital identification
- Patent number 8,898,250
- Issue date Nov 25, 2014
- One, Inc.
- Michael Callahan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ANONYMOUS DIGITAL IDENTIFICATION
- Publication number 20170228786
- Publication date Aug 10, 2017
- Michael Callahan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ANONYMOUS DIGITAL IDENTIFICATION
- Publication number 20160162947
- Publication date Jun 9, 2016
- Michael Callahan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ANONYMOUS DIGITAL IDENTIFICATION
- Publication number 20150081446
- Publication date Mar 19, 2015
- Michael Callahan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Anonymous Digital Identification
- Publication number 20100180009
- Publication date Jul 15, 2010
- Michael Callahan
- G06 - COMPUTING CALCULATING COUNTING