For the Inventor, By the Inventor

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Burlington, VT, United States of America

Ostovalve, LLC

USPTO Granted Patents = 3

Trademarks = 2

Forward Citations = 1

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4 inventors (with patents filed for the assignee):

Robert C Bell, Jr (3 out of 3 patents)

John E Ashley (2 out of 79 patents)

Damien Shulock (2 out of 8 patents)

4. Gary J Margolis (2 out of 2 patents)

3 patents: Sort by Forward Citations

1. 12310880 - Devices, systems and methods for regulating flow from a stoma on a patient (2025-05-27),

2. 12178738 - Regulating flow from a stoma on a patient (2024-12-31),

3. 11771585 - Devices, systems and methods for regulating flow from a stoma on a patient (2023-10-03),

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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#20 in Burlington, VT

#133 in Vermont

#71,950 in US

Burlington, VT, United States of America

Ostovalve, LLC

Forward Citations = 1

4 inventors:

Robert C Bell, Jr (3 out of 3 patents)

John E Ashley (2 out of 79 patents)

Damien Shulock (2 out of 8 patents)

4. Gary J Margolis (2 out of 2 patents)

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