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For the Inventor, By the Inventor

Walnut Creek, CA, United States of America

Zehntel, Inc.

USPTO Granted Patents = 13

Forward Citations = 357

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14 inventors (with patents filed for the assignee):

goldMedal Douglas W Raymond (4 out of 17 patents)

silverMedal Ernest C Woods, Jr (2 out of 2 patents)

bronzeMedal Ronald N Borrelli (2 out of 2 patents)

4.  Robert G Jacobson (2 out of 3 patents)

5.  William M Riesenberg (1 out of 2 patents)

6.  John B Burnett (1 out of 1 patent)

7.  Eugene H Breniman (1 out of 2 patents)

8.  Thomas C Garrett (1 out of 1 patent)

9.  Gerald W Petersen (1 out of 1 patent)

10.  Graeme R Kinsey (1 out of 1 patent)

11.  Pat Fowler (1 out of 1 patent)

12.  Nicholas Winfield (1 out of 1 patent)

13.  Jean F Davaut (1 out of 1 patent)

14.  Barbara K McElfresh (1 out of 1 patent)


13 patents:

1. 4967147 - Circuit tester having mechanical fingers and pogo probes for causing (1990-10-30),
2. 4870354 - Apparatus for contacting a printed circuit board with an array of test (1989-09-26),
3. 4856001 - Digital in-circuit tester having channel-memory earse-preventer (1989-08-08),
4. 4791359 - Method of detecting possibly electrically-open connections between (1988-12-13),
5. 4593804 - Apparatus for guiding a circuit board onto a testing location on a test (1986-06-10),
6. 4573009 - Printed circuit board test fixture with flexion means for providing (1986-02-25),
7. 4500993 - In-circuit digital tester for testing microprocessor boards (1985-02-19),
8. 4439858 - Digital in-circuit tester (1984-03-27),
9. 4339819 - Programmable sequence generator for in-circuit digital testing (1982-07-13),
10. 4216539 - In-circuit digital tester (1980-08-05),
11. 4070565 - Programmable tester method and apparatus (1978-01-24),
12. 3943439 - Capacitor test apparatus and method (1976-03-09),
13. 3931506 - Programmable tester (1976-01-06),
Company Overview
Zehntel, Inc. is a technology company based in Walnut Creek, California, specializing in advanced telecommunications solutions. The organization focuses on developing innovative software and hardware systems that enhance connectivity and communication efficiency. With a commitment to research and development, Zehntel aims to address the evolving needs of the telecommunications industry, providing cutting-edge solutions that support both enterprise and consumer markets. Its expertise spans various domains, including network infrastructure and data management.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

13 Patents

#9 in Walnut Creek, CA

#5,661 in California

#23,854 in US

#45,081 in the World

Walnut Creek, CA (US)
Walnut Creek, CA, United States of America

Zehntel, Inc.

Forward Citations = 357

14 inventors:

goldMedal Douglas W Raymond (4 out of 17 patents)

silverMedal Ernest C Woods, Jr (2 out of 2 patents)

bronzeMedal Ronald N Borrelli (2 out of 2 patents)

4.  Robert G Jacobson (2 out of 3 patents)

5.  William M Riesenberg (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Zehntel, Inc.. Retrieved from https://idiyas.com/company/zehntel

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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