For the Inventor, By the Inventor

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Fremont, CA, United States of America

Spectra-Physics Analytical, Inc.

USPTO Granted Patents = 2

Forward Citations = 44

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4 inventors (with patents filed for the assignee):

Scot Randy Weinberger (1 out of 27 patents)

Andre J Nohl (1 out of 14 patents)

Ernst Gassmann (1 out of 5 patents)

4. Thomas J McCall, Jr (1 out of 8 patents)

2 patents: Sort by Forward Citations

1. 5238654 - Syringe drive with lead screw mechanism (1993-08-24),

2. 5221448 - Buffer gradient and temperature gradient capillary electrophoresis (1993-06-22),

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#415 in Fremont, CA

#20,566 in California

#92,695 in US

Fremont, CA, United States of America

Spectra-Physics Analytical, Inc.

Forward Citations = 44

4 inventors:

Scot Randy Weinberger (1 out of 27 patents)

Andre J Nohl (1 out of 14 patents)

Ernst Gassmann (1 out of 5 patents)

4. Thomas J McCall, Jr (1 out of 8 patents)

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