For the Inventor, By the Inventor

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Bethesda, MD, United States of America

Spiral Biotech, Inc.

USPTO Granted Patents = 2

CIPO Patents = 1

Trademarks = 1

Forward Citations = 7

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3 inventors (with patents filed for the assignee):

Samuel Schalkowsky (2 out of 9 patents)

Leon G Hunt (1 out of 1 patent)

Frances M Scher (1 out of 1 patent)

4. Frances M Scher (0 patent)

2 patents: Sort by Forward Citations

1. 5563043 - Method for measuring the bactericidal and bacteriostatic effects of (1996-10-08),

2. 5547872 - Method and apparatus for cleaning the sample delivery stylus of (1996-08-20),

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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#113 in Bethesda, MD

#1,421 in Maryland

#94,730 in US

Bethesda, MD, United States of America

Spiral Biotech, Inc.

Forward Citations = 7

3 inventors:

Samuel Schalkowsky (2 out of 9 patents)

Leon G Hunt (1 out of 1 patent)

Frances M Scher (1 out of 1 patent)

4. Frances M Scher (0 patent)

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