Enter assignee name

% Expired Patents = 26.7

Trademarks = 1

Forward Citations = 138

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4 inventors (with patents filed for the assignee):

Eric G Suder (15 out of 16 patents)

Harold E A Hansen, Ii (12 out of 13 patents)

Harold E Hansen (2 out of 3 patents)

4. Harold E Hansen Ii (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 8538002 - Telephone system (2013-09-17),

2. 8391298 - Phone directory in a voice over IP telephone system (2013-03-05),

3. 8194845 - Telephone system (2012-06-05),

4. 7860083 - Shared knowledge in a telephone system (2010-12-28),

5. 7826440 - Quality of service in a remote telephone (2010-11-02),

6. 7421066 - Telephone call/voice processing system (2008-09-02),

7. RE39722 - Telephone call/voice processing system (2007-07-09),

8. 7221741 - Dialing using caller ID (2007-05-22),

9. 7123699 - Voice mail in a voice over IP telephone system (2006-10-17),

10. 7068684 - Quality of service in a voice over IP telephone system (2006-06-27),

11. 6940962 - Dial on-hold (2005-09-06),

12. 6925167 - Service observing in a voice over IP telephone system (2005-08-02),

13. 6842505 - Communications system enhanced with human presence sensing capabilities (2005-01-11),

14. 6252944 - Telephone call/voice processing system (2001-06-26),

15. 6067349 - Dialing using caller ID (2000-05-23),

Estech Systems, Inc. is a technology company based in Plano, Texas, specializing in innovative communication solutions. The company develops advanced telephony systems and cloud-based services aimed at enhancing business communication and collaboration. Estech focuses on integrating cutting-edge technologies to provide efficient and scalable solutions for various industries, ensuring seamless connectivity and improved operational efficiency. Their expertise encompasses both hardware and software development, catering to the evolving needs of modern enterprises.

Profile summary based on public USPTO records.