For the Inventor, By the Inventor

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Melrose Park, IL, United States of America

Enviro Tech International, Inc.

USPTO Granted Patents = 2

EPO Patents = 1

Trademarks = 4

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Richard J DeGroot (1 out of 2 patents)

Karl Loepke (1 out of 1 patent)

Andrew Mavec (1 out of 1 patent)

4. John A Dingess (1 out of 4 patents)

2 patents: Sort by Forward Citations

1. 10829722 - Azeotrope-like composition (2020-11-10),

2. 7803747 - Detergent composition for halogenated dry cleaning solvents (2010-09-28),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#17 in Melrose Park, IL

#4,308 in Illinois

#92,662 in US

Melrose Park, IL, United States of America

Enviro Tech International, Inc.

Forward Citations = 0

4 inventors:

Richard J DeGroot (1 out of 2 patents)

Karl Loepke (1 out of 1 patent)

Andrew Mavec (1 out of 1 patent)

4. John A Dingess (1 out of 4 patents)

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