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For the Inventor, By the Inventor

Phoenix, AZ, United States of America

Ag Communication Systems Corporation


USPTO Granted Patents = 121

% Expired Patents = 0.83


Forward Citations = 2,618

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128 inventors (with patents filed for the assignee):

goldMedal Zbigniew Kabat (10 out of 12 patents)

silverMedal Thomas D Belanger, Jr (10 out of 37 patents)

bronzeMedal Richard A Walton (7 out of 7 patents)

4.  Michael Warner (6 out of 8 patents)

5.  Lalit O Patel (6 out of 8 patents)

6.  Michael W Pflueger (5 out of 5 patents)

7.  Frank Sciabica (4 out of 4 patents)

8.  Greig R Detering (4 out of 5 patents)

9.  John Wesley Spenik (4 out of 4 patents)

10.  George K Tarleton (4 out of 4 patents)

11.  John S Young (4 out of 17 patents)

12.  Anthony J Baca (4 out of 4 patents)

13.  Han Kem (4 out of 4 patents)

14.  Absar Naseer (4 out of 4 patents)

15.  Ross E Fraser (4 out of 4 patents)


Core Competencies:
Alarm Control Algorithm
Telephony Service
Digital Transmission
Circuit Detection
Subscriber Line Interface
Data Multiplexer
Network Security
Programmable Devices
Voice Data Systems
Error Detection
Geographical Access
High Density Connectors

121 patents:

1. 6734794 - Alarm control algorithm for multi-sourced alarms (2004-05-11),
2. 6704416 - Hook switch status glitch filter (2004-03-09),
3. 6698638 - Printed circuit board scrap edge removal tool (2004-03-02),
4. 6678359 - Called party identification in packet switched networks (2004-01-13),
5. 6565370 - Connector protection bracket (2003-05-20),
6. 6544311 - Chassis thermal zones (2003-04-08),
7. 6493442 - AIN triggers to invoke non-AIN features (2002-12-10),
8. 6490450 - Capturing and modifying of mobile subscriber information (2002-12-03),
9. 6487287 - Dynamic concentration of announcement circuits (2002-11-26),
10. 6459297 - System for programming field programmable devices (2002-10-01),
11. 6351395 - Backplane support bracket (2002-02-26),
12. 6292544 - Message waiting indicator in a computer integrated telephony system (2001-09-18),
13. 6282599 - System for providing bridging of backplane (2001-08-28),
14. 6215864 - Method of accessing an IP in an ISDN network with partial release (2001-04-10),
15. 6166547 - Line card loss of battery detector (2000-12-26),
Company Overview
Ag Communication Systems Corporation, based in Phoenix, AZ, specializes in advanced telecommunication systems. The company focuses on developing innovative solutions in alarm control algorithms, telephony services, and digital transmission technologies. Their expertise extends to circuit detection, subscriber line interfaces, data multiplexers, and network security, ensuring robust and reliable communication infrastructures. With a commitment to programmable devices, Ag Communication Systems is positioned to address the evolving needs of the telecommunications industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

121 Patents

#8 in Phoenix, AZ

#37 in Arizona

#3,196 in US

#6,604 in the World

Phoenix, AZ (US)
Phoenix, AZ, United States of America

Ag Communication Systems Corporation

Forward Citations = 2,618

128 inventors:

goldMedal Zbigniew Kabat (10 out of 12 patents)

silverMedal Thomas D Belanger, Jr (10 out of 37 patents)

bronzeMedal Richard A Walton (7 out of 7 patents)

4.  Michael Warner (6 out of 8 patents)

5.  Lalit O Patel (6 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ag Communication Systems Corporation. Retrieved from https://idiyas.com/company/ag-communication-systems

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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