For the Inventor, By the Inventor

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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):

J Paul Pemsler (2 out of 15 patents)

Richard A Cooke (1 out of 15 patents)

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: Sort by Forward Citations

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 - Dec 30 2025

2 Patents

#133 in Lexington, MA

#4,823 in Massachusetts

#92,662 in US

Lexington, MA, United States of America

Castle Technology Corporation

Forward Citations = 91

6 inventors:

J Paul Pemsler (2 out of 15 patents)

Richard A Cooke (1 out of 15 patents)

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)

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