David D. Hardek

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Allison Park, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process and system for sending headset control information from a m...
- Patent number 9,781,502
- Issue date Oct 3, 2017
- Hand Held Products, Inc.
- David D. Hardek
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PROCESS AND SYSTEM FOR SENDING HEADSET CONTROL INFORMATION FROM A M...
- Publication number 20170070805
- Publication date Mar 9, 2017
- HAND HELD PRODUCTS, INC.
- David D. Hardek
- H04 - ELECTRIC COMMUNICATION TECHNIQUE