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For the Inventor, By the Inventor

Cuyahoga Falls, OH, United States of America

Tech Pro, Inc.


USPTO Granted Patents = 3


Forward Citations = 25

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4 inventors (with patents filed for the assignee):

goldMedal John B Putman (3 out of 94 patents)

silverMedal Matthew C Putman (2 out of 104 patents)

bronzeMedal Joseph G Bulman (2 out of 3 patents)

4.  Bradley J Henry (1 out of 1 patent)

5.  Edward G Shifrin (7 patents)

6.  Mark A Umansky (5 patents)

7.  Ralf Kolvenbach (1 patent)

8.  Mordeahi D Shvartsman (0 patent)


3 patents:

1. 6829951 - Process for the physical testing of rubber (2004-12-14),
2. 6795172 - Method for preparing a cut surface in uncured rubber samples for measuring filter dispersion (2004-09-21),
3. 6681617 - Variable eccentric rheometer system (2004-01-27),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#11 in Cuyahoga Falls, OH

#2,787 in Ohio

#71,953 in US

...
Cuyahoga Falls, OH, United States of America

Tech Pro, Inc.

Forward Citations = 25

4 inventors:

goldMedal John B Putman (3 out of 94 patents)

silverMedal Matthew C Putman (2 out of 104 patents)

bronzeMedal Joseph G Bulman (2 out of 3 patents)

4.  Bradley J Henry (1 out of 1 patent)

5.  Edward G Shifrin (7 patents)

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