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For the Inventor, By the Inventor

Lexington, MA, United States of America

Castle Technology Corporation


USPTO Granted Patents = 2

Forward Citations = 91

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6 inventors (with patents filed for the assignee):

goldMedal J Paul Pemsler (2 out of 15 patents)

silverMedal Richard A Cooke (1 out of 15 patents)

bronzeMedal Suri A Sastri (1 out of 6 patents)

4.  John K Litchfield (1 out of 9 patents)

5.  Mark B Smith (1 out of 1 patent)

6.  Michael D Dempsey (1 out of 1 patent)


2 patents:

1. 5495979 - Metal-bonded, carbon fiber-reinforced composites (1996-03-05),
2. 4592973 - Supported liquid membrane electrochemical separators (1986-06-03),
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USPTO Data Jan 1 1976 - Sep 15 2026

2 Patents

#131 in Lexington, MA

#4,926 in Massachusetts

#94,722 in US

Lexington, MA (US)
Lexington, MA, United States of America

Castle Technology Corporation

Forward Citations = 91

6 inventors:

goldMedal J Paul Pemsler (2 out of 15 patents)

silverMedal Richard A Cooke (1 out of 15 patents)

bronzeMedal Suri A Sastri (1 out of 6 patents)

4.  John K Litchfield (1 out of 9 patents)

5.  Mark B Smith (1 out of 1 patent)

Please report any incorrect information to [email protected]
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