Independence, OH, United States of America

Polymer Additives Inc.


USPTO Granted Patents = 2

Trademarks = 11

Forward Citations = 0

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7 inventors (with patents filed for the assignee):

goldMedal John D Bradshaw (2 out of 3 patents)

silverMedal Hongqiao Wu (1 out of 5 patents)

bronzeMedal George F Schaefer (1 out of 6 patents)

4 Larry J Baldwin (1 out of 2 patents)

5 Ronald J Raleigh, Jr (1 out of 2 patents)

6 Brenda Hollo (1 out of 3 patents)

7 Anne M Lawson (1 out of 2 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#12 in Independence, OH

#3,556 in Ohio

#92,598 in US

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Independence, OH, United States of America
Forward Citations = 0

7 inventors:

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