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For the Inventor, By the Inventor

North Billerica, MA, United States of America

Chrysalis Symbolic Design, Inc.


USPTO Granted Patents = 2

Forward Citations = 27

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5 inventors (with patents filed for the assignee):

goldMedal John W Hagerman (2 out of 3 patents)

silverMedal Richard J Cloutier (2 out of 3 patents)

bronzeMedal Matthew J Bellantoni (2 out of 2 patents)

4.  Gerard Memmi (1 out of 3 patents)

5.  Richard J Newton, Ii (1 out of 1 patent)


2 patents:

1. 6530072 - Rule based hierarchy generation in a circuit design verification system (2003-03-04),
2. 6219821 - Computers systems and methods for verifying representations of a circuit design (2001-04-17),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#20 in North Billerica, MA

#4,822 in Massachusetts

#92,641 in US

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North Billerica, MA, United States of America

Chrysalis Symbolic Design, Inc.

Forward Citations = 27

5 inventors:

goldMedal John W Hagerman (2 out of 3 patents)

silverMedal Richard J Cloutier (2 out of 3 patents)

bronzeMedal Matthew J Bellantoni (2 out of 2 patents)

4.  Gerard Memmi (1 out of 3 patents)

5.  Richard J Newton, Ii (1 out of 1 patent)

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