Intertech Engineering Associates, Inc.

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 41

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4 inventors (with patents filed for the assignee):

David A Vogel (2 out of 6 patents)

Danny C Vogel (2 out of 2 patents)

Diane P Cherry (2 out of 2 patents)

4. Edward R Coleman (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5604794 - Switch system for directing call from a calling to a receiving instrument (1997-02-18),

2. 5056132 - Switch device adapted to interface between an incoming telephone line (1991-10-08),

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USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#6 in Dedham, MA

#4,937 in Massachusetts

#95,021 in US

Dedham, MA, United States of America

Intertech Engineering Associates, Inc.

Forward Citations = 41

4 inventors:

David A Vogel (2 out of 6 patents)

Danny C Vogel (2 out of 2 patents)

Diane P Cherry (2 out of 2 patents)

4. Edward R Coleman (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Intertech Engineering Associates, Inc.. Retrieved from https://idiyas.com/company/intertech-engineering-associates

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]