List of Estech Systems, Inc. (Esi) patents

List of Estech Systems, Inc. (Esi) patents

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Patents where

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Estech Systems, Inc. (Esi)

	Name	Description	Patent Applicant	Current Assignee	Inventor	Patent Jurisdiction	Patent Number	Date of Patent
	‌ US Patent RE39722 Telephone call/voice processing system	Patent RE39722 was granted and assigned to Estech Systems, Inc. (Esi) on July, 2007 by the United States Patent and Trademark Office.		‌ Estech Systems, Inc. (Esi)		United States Patent and Trademark Office	RE39722	July 10, 2007
	‌ US Patent 7068684 Quality of service in a voice over IP telephone system	Patent 7068684 was granted and assigned to Estech Systems, Inc. (Esi) on June, 2006 by the United States Patent and Trademark Office.		‌ Estech Systems, Inc. (Esi)		United States Patent and Trademark Office	7068684	June 27, 2006
	‌ US Patent 7123699 Voice mail in a voice over IP telephone system	Patent 7123699 was granted and assigned to Estech Systems, Inc. (Esi) on October, 2006 by the United States Patent and Trademark Office.		‌ Estech Systems, Inc. (Esi)		United States Patent and Trademark Office	7123699	October 17, 2006
	‌ US Patent 7826440 Quality of service in a remote telephone	Patent 7826440 was granted and assigned to Estech Systems, Inc. (Esi) on November, 2010 by the United States Patent and Trademark Office.		‌ Estech Systems, Inc. (Esi)		United States Patent and Trademark Office	7826440	November 2, 2010
	‌ US Patent 8391298 Phone directory in a voice over IP telephone system	Patent 8391298 was granted and assigned to Estech Systems, Inc. (Esi) on March, 2013 by the United States Patent and Trademark Office.		‌ Estech Systems, Inc. (Esi)		United States Patent and Trademark Office	8391298	March 5, 2013
	‌ US Patent 7860083 Shared knowledge in a telephone system	Patent 7860083 was granted and assigned to Estech Systems, Inc. (Esi) on December, 2010 by the United States Patent and Trademark Office.		‌ Estech Systems, Inc. (Esi)		United States Patent and Trademark Office	7860083	December 28, 2010
	‌ US Patent 7221741 Dialing using caller ID	Patent 7221741 was granted and assigned to Estech Systems, Inc. (Esi) on May, 2007 by the United States Patent and Trademark Office.		‌ Estech Systems, Inc. (Esi)		United States Patent and Trademark Office	7221741	May 22, 2007
	‌ US Patent 7421066 Telephone call/voice processing system	Patent 7421066 was granted and assigned to Estech Systems, Inc. (Esi) on September, 2008 by the United States Patent and Trademark Office.		‌ Estech Systems, Inc. (Esi)		United States Patent and Trademark Office	7421066	September 2, 2008
	‌ US Patent 8194845 Telephone system	Patent 8194845 was granted and assigned to Estech Systems, Inc. (Esi) on June, 2012 by the United States Patent and Trademark Office.		‌ Estech Systems, Inc. (Esi)		United States Patent and Trademark Office	8194845	June 5, 2012
	‌ US Patent 8538002 Telephone system	Patent 8538002 was granted and assigned to Estech Systems, Inc. (Esi) on September, 2013 by the United States Patent and Trademark Office.		‌ Estech Systems, Inc. (Esi)		United States Patent and Trademark Office	8538002	September 17, 2013
	‌ US Patent 6940962 Dial on-hold	Patent 6940962 was granted and assigned to Estech Systems, Inc. (Esi) on September, 2005 by the United States Patent and Trademark Office.		‌ Estech Systems, Inc. (Esi)		United States Patent and Trademark Office	6940962	September 6, 2005
	‌ US Patent 6925167 Service observing in a voice over IP telephone system	Patent 6925167 was granted and assigned to Estech Systems, Inc. (Esi) on August, 2005 by the United States Patent and Trademark Office.		‌ Estech Systems, Inc. (Esi)		United States Patent and Trademark Office	6925167	August 2, 2005
	‌ US Patent 6842505 Communications system enhanced with human presence sensing capabilities	Patent 6842505 was granted and assigned to Estech Systems, Inc. (Esi) on January, 2005 by the United States Patent and Trademark Office.		‌ Estech Systems, Inc. (Esi)		United States Patent and Trademark Office	6842505	January 11, 2005

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