For the Inventor, By the Inventor

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Tempe, AZ, United States of America

Inter-Tel, Inc.

USPTO Granted Patents = 34

% Expired Patents = 2.9

EPO Patents = 3

Trademarks = 2

Forward Citations = 464

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37 inventors (with patents filed for the assignee):

Joseph Weidinger (9 out of 10 patents)

David E Williams (5 out of 5 patents)

Jerry L Holsinger (4 out of 8 patents)

4. Robert Lawrence Gallick (3 out of 9 patents)

5. David L Lyon (3 out of 5 patents)

6. Michael McLaughlin (2 out of 48 patents)

7. N Thomas Peiffer, Jr (2 out of 3 patents)

8. Toby R Ambrose (2 out of 2 patents)

9. Clark C Rines (2 out of 2 patents)

10. David E Mello (2 out of 2 patents)

11. Don I Falkenstein (2 out of 5 patents)

12. Frank B Lezotte (2 out of 2 patents)

13. Billy Verso (1 out of 14 patents)

14. Mark Joseph Dancho (1 out of 27 patents)

15. Mervyn Wongso (1 out of 6 patents)

Core Competencies:

Endpoint Status Notification

Remote Access

Communication Requests

Real-Time Call Logs

Firmware Distribution

Networked Endpoint Registration

Data Attachment

Language Translation

Voice Over Internet Protocol

PBX Communication

Hybrid Voice Systems

Data Communications Network

34 patents: Sort by Forward Citations

1. 8103722 - Endpoint status notification system (2012-01-24),

2. 7995721 - System and method for remote access to a telephone (2011-08-09),

3. 7818295 - Methods for handling communication requests received for former users of a communication system (2010-10-19),

4. 7778399 - System and method for real-time call log status (2010-08-17),

5. 7600044 - System and method for networked endpoint registration (2009-10-06),

6. 7600006 - Peer-to-peer distribution of firmware (2009-10-06),

7. 7526079 - System and method for data attachment in live call transfers (2009-04-28),

8. 7398215 - Prompt language translation for a telecommunications system (2008-07-08),

9. D569865 - Voice over internet protocol device (2008-05-27),

10. D541264 - PBX communication system (2007-04-24),

11. 7133465 - Modified Tomlinson-Harashima precoding method circuit for infinite impulse response (IIR) channels (2006-11-07),

12. D529892 - Hybrid voice communication system (2006-10-10),

13. 7031443 - System and method for remote access to a telephone (2006-04-18),

14. 6999431 - Voice over internet protocol (2006-02-14),

15. 6944215 - Method and apparatus for transmitting data from an analogue modem to a digital modem through an analogue channel (2005-09-13),

Company Overview

Inter-Tel, Inc. specializes in advanced telecommunications solutions, focusing on the development and manufacturing of innovative communication systems. The company is known for its expertise in voice and data integration, offering products that enhance connectivity and streamline business operations. With a strong presence in the telecommunications sector, Inter-Tel serves a diverse range of clients, providing tailored solutions that meet the evolving needs of modern communication environments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

34 Patents

#19 in Tempe, AZ

#118 in Arizona

#10,022 in US

#19,651 in the World

Tempe, AZ, United States of America

Inter-Tel, Inc.

Forward Citations = 464

37 inventors:

Joseph Weidinger (9 out of 10 patents)

David E Williams (5 out of 5 patents)

Jerry L Holsinger (4 out of 8 patents)

4. Robert Lawrence Gallick (3 out of 9 patents)

5. David L Lyon (3 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Inter-Tel, Inc.. Retrieved from https://idiyas.com/company/inter-tel

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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