For the Inventor, By the Inventor

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Everett, WA, United States of America

Communications Technology Corp.

USPTO Granted Patents = 48

Trademarks = 2

Forward Citations = 836

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37 inventors (with patents filed for the assignee):

Selim Messelhi (10 out of 10 patents)

Charles W Waas (5 out of 7 patents)

Charles D Stephens (4 out of 5 patents)

4. William D Smith (4 out of 5 patents)

5. Donald J Smith (4 out of 10 patents)

6. Myron C Butler (3 out of 15 patents)

7. Lawrence O Hilligoss (3 out of 15 patents)

8. William R Hilligoss (3 out of 4 patents)

9. Gideon B Dagan (3 out of 11 patents)

10. Craig O Belflower (3 out of 3 patents)

11. Harbin C Farr (3 out of 3 patents)

12. Jimmy C Ray (2 out of 16 patents)

13. H Wayne Mathews (2 out of 7 patents)

14. Antoon M Hurkmans (2 out of 2 patents)

15. Wendi J Sams (2 out of 2 patents)

Core Competencies:

Line Pair Testing

Fault Diagnostics

Terminal Block Mechanism

Communications Housing

Aerial Enclosure

Cable Splice Closure

Telephone Line Testing

Remote Testing System

Cable Connector

Polyurethane Systems

Ground Clamp

Electrical Circuit Verification

48 patents: Sort by Forward Citations

1. 6763108 - Apparatus and method for line pair testing and fault diagnostics (2004-07-13),

2. 6144721 - Apparatus and method for line pair testing and fault diagnostics (2000-11-07),

3. 5943558 - Method of making an assembly package having an air tight cavity and a (1999-08-24),

4. 5835981 - Terminal block mounting method and apparatus (1998-11-10),

5. 5800028 - Terminal block hinge mechanism (1998-09-01),

6. 5726392 - Communications housing having grommet assembly (1998-03-10),

7. D390571 - Terminal block enclosure (1998-02-10),

8. 5696864 - Aerial enclosure for coupling data signals to a customer site (1997-12-09),

9. 5679927 - Buried service wire closure (1997-10-21),

10. D375082 - Post or strand mounted terminal housing (1996-10-29),

11. 5563372 - Integral terminal housing having folded resilient sheet grommet with (1996-10-08),

12. 5561268 - Ends seals for aerial closure (1996-10-01),

13. D373771 - Pole mounted housing for telecommunication terminals (1996-09-17),

14. 5557067 - Pole mounted terminal housing (1996-09-17),

15. 5528662 - Active strapping and switching device for telephone line testing (1996-06-18),

Communications Technology Corp. is a leading provider of innovative communication solutions. With a focus on technology-driven solutions, we specialize in designing and implementing cutting-edge communication systems for businesses of all sizes. Our team of skilled professionals combines their expertise with the latest trends in communication technology to deliver reliable and seamless solutions. Through our state-of-the-art products and exceptional customer service, we help businesses enhance their communication capabilities, improve efficiency, and achieve their strategic goals. Visit our website to learn more about our services and how we can assist your business in staying connected and competitive in today's rapidly evolving digital landscape.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 20 2026

48 Patents

#5 in Everett, WA

#146 in Washington

#7,043 in US

#14,158 in the World

Everett, WA, United States of America

Communications Technology Corp.

Forward Citations = 836

37 inventors:

Selim Messelhi (10 out of 10 patents)

Charles W Waas (5 out of 7 patents)

Charles D Stephens (4 out of 5 patents)

4. William D Smith (4 out of 5 patents)

5. Donald J Smith (4 out of 10 patents)

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