Alliance, OH, United States of America

Sofco-Efs Holdings LLC


USPTO Granted Patents = 2

% Expired Patents = 50.0


Forward Citations = 45

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7 inventors (with patents filed for the assignee):

goldMedal Mark Anthony Perna (1 out of 8 patents)

silverMedal Christopher Ming-Poh Chen (1 out of 4 patents)

bronzeMedal Theodore R Ohrn (1 out of 5 patents)

4 Ray L Sullivan (1 out of 1 patent)

5 Stephen W Scoles (1 out of 3 patents)

6 Andrew F Kisik (1 out of 1 patent)

7 Michael Jerome Holmes (1 out of 27 patents)

8 Eric A Barringer (7 patents)

9 Singaravelu Elangovan (23 patents)

10 Kurt E Kneidel (11 patents)

11 Joseph Jay Hartvigsen (35 patents)

12 Crispin L Debellis (0 patent)

13 Ashok Chandrashekhar Khandkar (0 patent)

14 Thomas L Cable (0 patent)

15 Thomas C Yuan (0 patent)


2 patents:

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USPTO Data Jan 1 1976 - Sep 15 2026

2 Patents

#11 in Alliance, OH

#3,642 in Ohio

#94,717 in US

Alliance, OH (US)
Alliance, OH, United States of America
Forward Citations = 45

7 inventors:

Please report any incorrect information to [email protected]
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