For the Inventor, By the Inventor

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Grand Rapids, MI, United States of America

Weiss Technik North America, Inc.

USPTO Granted Patents = 3

Trademarks = 8

Forward Citations = 3

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6 inventors (with patents filed for the assignee):

Benjamin J DeJager (2 out of 2 patents)

Christian Haack (1 out of 14 patents)

Stephen W Johnston (1 out of 1 patent)

4. Sean D McKendry (1 out of 1 patent)

5. Paul C Supp (1 out of 1 patent)

6. Sean S McKendry (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 10935486 - Environmental test chamber (2021-03-02),

2. 10655895 - Climatic test chamber with stable cascading direct expansion refrigeration system (2020-05-19),

3. 10495565 - Environmental test chamber with uniform airflow (2019-12-03),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#123 in Grand Rapids, MI

#2,442 in Michigan

#71,949 in US

Grand Rapids, MI, United States of America

Weiss Technik North America, Inc.

Forward Citations = 3

6 inventors:

Benjamin J DeJager (2 out of 2 patents)

Christian Haack (1 out of 14 patents)

Stephen W Johnston (1 out of 1 patent)

4. Sean D McKendry (1 out of 1 patent)

5. Paul C Supp (1 out of 1 patent)

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