David Altfeder

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Aberdeen, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Covert secure document registration system
- Patent number 10,733,825
- Issue date Aug 4, 2020
- Troy Group, Inc.
- Brian Lewis
- G07 - CHECKING-DEVICES
Information Patent Grant
Covert secure document registration system
- Patent number 10,475,269
- Issue date Nov 12, 2019
- Troy Group, Inc.
- Brian Lewis
- G07 - CHECKING-DEVICES
Information Patent Grant
Method of generating void pantographs
- Patent number 9,087,288
- Issue date Jul 21, 2015
- Troy Group, Inc.
- David Altfeder
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Computer-based system and method for adding variable security data...
- Patent number 9,088,735
- Issue date Jul 21, 2015
- Troy Group, Inc.
- David Altfeder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COVERT SECURE DOCUMENT REGISTRATION SYSTEM
- Publication number 20190221064
- Publication date Jul 18, 2019
- Troy Group, Inc.
- Brian Lewis
- G07 - CHECKING-DEVICES
Information Patent Application
COVERT SECURE DOCUMENT REGISTRATION SYSTEM
- Publication number 20170309104
- Publication date Oct 26, 2017
- Troy Group, Inc.
- Brian Lewis
- G07 - CHECKING-DEVICES
Information Patent Application
SYSTEM AND METHOD OF DYNAMICALLY TARGETING INFORMATION TO PRODUCT U...
- Publication number 20160247193
- Publication date Aug 25, 2016
- Troy Group, Inc.
- David Altfeder
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Computer-Based System and Method for Adding Variable Security Data...
- Publication number 20150092248
- Publication date Apr 2, 2015
- Troy Group, Inc.
- David Altfeder
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of Generating Void Pantographs
- Publication number 20140293357
- Publication date Oct 2, 2014
- Troy Group, Inc.
- David Altfeder
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS