For the Inventor, By the Inventor

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Wheeling, IL, United States of America

Engis Corporation

USPTO Granted Patents = 9

EPO Patents = 1

Trademarks = 24

Forward Citations = 32

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15 inventors (with patents filed for the assignee):

Ion C Benea (3 out of 3 patents)

Stephen Griffin (3 out of 3 patents)

Ralph Doyle (3 out of 3 patents)

4. Robert Marvin (3 out of 3 patents)

5. Malcolm Owen (3 out of 3 patents)

6. Donald Bouchard (3 out of 3 patents)

7. Benjamin R Rosczyk (2 out of 2 patents)

8. Robert Passeri (2 out of 2 patents)

9. Douglas A Seitz (2 out of 2 patents)

10. David Diaz (2 out of 2 patents)

11. Craig T Hoeppner (1 out of 2 patents)

12. Laura Fitzgerald (1 out of 1 patent)

13. Clement N Onyenemezu (1 out of 1 patent)

14. David Novalinski (1 out of 1 patent)

15. Erick Robles (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. D1085188 - Face mill (2025-07-22),

2. 11565374 - Fixed abrasive three-dimensional lapping and polishing plate and methods of making and using the same (2023-01-31),

3. 8734753 - Surface etched diamond particles and method for etching the surface of diamond particles (2014-05-27),

4. 7275446 - Apparatus for measuring the crushing strength of micron superabrasives (2007-10-02),

5. 6602108 - Modular controlled platen preparation system and method (2003-08-05),

6. 6585559 - Modular controlled platen preparation system and method (2003-07-01),

7. 6080053 - Outside diameter finishing tool and method of making the same (2000-06-27),

8. 5846126 - Outside diameter finishing tool and method of making the same (1998-12-08),

9. 5564972 - Outside diameter finishing tool (1996-10-15),

Engis Corporation is a global leader in the design and manufacture of precision diamond tools and machines for the superabrasive industry. With over 50 years of experience, Engis is known for delivering high-quality products and solutions to a wide range of industries, including automotive, aerospace, and medical. Their innovative products and expertise have earned them a reputation for excellence in the industry.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

9 Patents

#25 in Wheeling, IL

#1,546 in Illinois

#32,503 in US

Wheeling, IL, United States of America

Engis Corporation

Forward Citations = 32

15 inventors:

Ion C Benea (3 out of 3 patents)

Stephen Griffin (3 out of 3 patents)

Ralph Doyle (3 out of 3 patents)

4. Robert Marvin (3 out of 3 patents)

5. Malcolm Owen (3 out of 3 patents)

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