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For the Inventor, By the Inventor

Cleveland, OH, United States of America

Specrete-ip Incorporated


USPTO Granted Patents = 3

Trademarks = 3

Forward Citations = 38

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3 inventors (with patents filed for the assignee):

goldMedal Alfonzo L Wilson (3 out of 5 patents)

silverMedal David A Smetana (2 out of 13 patents)

bronzeMedal Richard J Lenczewski (2 out of 3 patents)


3 patents:

1. 5302200 - Hydrating and plasticizing admixture for dense concrete (1994-04-12),
2. 5294255 - Pumpable backfill grout (1994-03-15),
3. 5193941 - Grout and method of distributing aluminum therein (1993-03-16),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#339 in Cleveland, OH

#2,787 in Ohio

#71,953 in US

...
Cleveland, OH, United States of America

Specrete-ip Incorporated

Forward Citations = 38

3 inventors:

goldMedal Alfonzo L Wilson (3 out of 5 patents)

silverMedal David A Smetana (2 out of 13 patents)

bronzeMedal Richard J Lenczewski (2 out of 3 patents)

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