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Seattle, WA, United States of America

Cellular Technical Services Company, Inc.

USPTO Granted Patents = 15

Forward Citations = 851

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17 inventors (with patents filed for the assignee):

David M Stanhope (10 out of 10 patents)

Dmitry Kaplan (7 out of 9 patents)

Evan R Green (5 out of 5 patents)

4. David N Hoogerwerf (4 out of 4 patents)

5. Charles Gregory Amadon (3 out of 6 patents)

6. Randy McKernan (3 out of 3 patents)

7. Randolph W McKernan (3 out of 4 patents)

8. Cameron Scott Elliott (2 out of 3 patents)

9. Rick F Combest (2 out of 2 patents)

10. Howard L Wilburn (2 out of 2 patents)

11. Chetan Sharma (2 out of 2 patents)

12. Scott D Otterson (1 out of 5 patents)

13. Frederick J Telewski (1 out of 3 patents)

14. Michael A Edmonds (1 out of 1 patent)

15. Robert R Millward (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 6035188 - Active waveform collection for use in transmitter identification (2000-03-07),

2. 6021315 - System and method for testing of wireless communication devices (2000-02-01),

3. 5999807 - System and method for the verification of authentic telephone numbers in (1999-12-07),

4. 5999806 - Waveform collection for use in wireless telephone identification (1999-12-07),

5. 5970405 - Apparatus and method for preventing fraudulent calls in a wireless (1999-10-19),

6. 5956635 - Detection and prevention of channel grabbing in a wireless (1999-09-21),

7. 5956634 - System and method for detection of fraud in a wireless telephone system (1999-09-21),

8. 5940751 - System and method for detection of fraud in a wireless telephone system (1999-08-17),

9. 5924025 - System and method for detection of redial fraud in a cellular telephone (1999-07-13),

10. 5893031 - System and method for collection of transmission characteristics (1999-04-06),

11. 5819171 - Automated forced call disruption for use with wireless telephone systems (1998-10-06),

12. 5715518 - Adaptive waveform matching for use in transmitter identification (1998-02-03),

13. 5673306 - Cellular rental phone system and method having realtime data collection (1997-09-30),

14. 5517555 - Real time information system for cellular telephones (1996-05-14),

15. 5301223 - Cellular telephone system with remote programming, voice responsive (1994-04-05),

Company Overview

Cellular Technical Services Company, Inc. is a Seattle-based organization specializing in advanced telecommunications solutions. The company focuses on the development and manufacturing of innovative products and services that enhance cellular network performance and reliability. With a strong emphasis on research and technology, CTSC is dedicated to addressing the evolving needs of the telecommunications industry, contributing to improved connectivity and communication standards across various sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

15 Patents

#131 in Seattle, WA

#459 in Washington

#21,068 in US

#39,959 in the World

Seattle, WA, United States of America

Cellular Technical Services Company, Inc.

Forward Citations = 851

17 inventors:

David M Stanhope (10 out of 10 patents)

Dmitry Kaplan (7 out of 9 patents)

Evan R Green (5 out of 5 patents)

4. David N Hoogerwerf (4 out of 4 patents)

5. Charles Gregory Amadon (3 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cellular Technical Services Company, Inc.. Retrieved from https://idiyas.com/company/cellular-technical-services-company

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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