For the Inventor, By the Inventor

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Solano Beach, CA, United States of America

Tack Surgical, LLC

USPTO Granted Patents = 4

Trademarks = 1

Forward Citations = 1

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5 inventors (with patents filed for the assignee):

Charles P Chalekson (4 out of 4 patents)

David G Matsuura (3 out of 42 patents)

Nelson Siu (3 out of 3 patents)

4. Philip J Simpson (2 out of 8 patents)

5. Philip J Simpson (1 out of 4 patents)

4 patents: Sort by Forward Citations

1. 12622693 - Flexible surgical stapler and staple insertion device (2026-05-12),

2. 12496057 - Suture materials, suture placement devices and methods of suture placement and tissue approximation (2025-12-16),

3. 12114855 - Flexible surgical stapler and staple insertion device (2024-10-15),

4. 10939906 - Tissue fixation and closure suture articles and suture placement devices (2021-03-09),

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USPTO Data Jan 1 1976 - Sep 22 2026

4 Patents

#1 in Solano Beach, CA

#14,023 in California

#60,515 in US

Solano Beach, CA, United States of America

Tack Surgical, LLC

Forward Citations = 1

5 inventors:

Charles P Chalekson (4 out of 4 patents)

David G Matsuura (3 out of 42 patents)

Nelson Siu (3 out of 3 patents)

4. Philip J Simpson (2 out of 8 patents)

5. Philip J Simpson (1 out of 4 patents)

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