Charles D. Helfenberger

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Charlotte, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Intelligent key selection and generation
- Patent number 9,633,212
- Issue date Apr 25, 2017
- International Business Machines Corporation
- Todd W. Arnold
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Intelligent key selection and generation
- Patent number 9,607,159
- Issue date Mar 28, 2017
- International Business Machines Corporation
- Todd W. Arnold
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Intelligent key selection and generation
- Patent number 9,471,796
- Issue date Oct 18, 2016
- International Business Machines Corporation
- Todd W. Arnold
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ink ribbon cartridge indication system for printer
- Patent number 4,586,837
- Issue date May 6, 1986
- International Business Machines Corp.
- Shepard D. Johnson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
INTELLIGENT KEY SELECTION AND GENERATION
- Publication number 20160357974
- Publication date Dec 8, 2016
- International Business Machines Corporation
- Todd W. Arnold
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTELLIGENT KEY SELECTION AND GENERATION
- Publication number 20160171251
- Publication date Jun 16, 2016
- International Business Machines Corporation
- Todd W. Arnold
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTELLIGENT KEY SELECTION AND GENERATION
- Publication number 20160171221
- Publication date Jun 16, 2016
- International Business Machines Corporation
- Todd W. Arnold
- G06 - COMPUTING CALCULATING COUNTING