For the Inventor, By the Inventor

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Grand Forks, ND, United States of America

Und-Sem Foundation

USPTO Granted Patents = 3

Forward Citations = 15

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4 inventors (with patents filed for the assignee):

David J Miller (1 out of 11 patents)

Steven B Hawthorne (1 out of 6 patents)

Oscar E Manz (1 out of 2 patents)

4. John W Diehl (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4988870 - Open-split interface for mass spectrometers (1991-01-29),

2. 4971615 - Method and means for producing mineral wool (1990-11-20),

3. 4967590 - Supercritical fluid chromatography injector and the method for using the (1990-11-06),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#11 in Grand Forks, ND

#72 in North Dakota

#72,067 in US

Grand Forks, ND, United States of America

Und-Sem Foundation

Forward Citations = 15

4 inventors:

David J Miller (1 out of 11 patents)

Steven B Hawthorne (1 out of 6 patents)

Oscar E Manz (1 out of 2 patents)

4. John W Diehl (1 out of 1 patent)

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