For the Inventor, By the Inventor

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Simi Valley, CA, United States of America

Vdi Laboratory, LLC

USPTO Granted Patents = 3

EPO Patents = 1

Forward Citations = 33

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3 inventors (with patents filed for the assignee):

Randy Ringold (3 out of 12 patents)

Tyson Ringold (2 out of 2 patents)

Tyson Lee Ringold (1 out of 1 patent)

4. Tyson Ringold (2 patents)

3 patents: Sort by Forward Citations

1. D974587 - Elevator for promoting extraction of blood sample from dried blood sample paper (2023-01-03),

2. D930848 - Elevator for promoting extraction of blood sample from dried blood sample paper (2021-09-14),

3. D875271 - Collection and storage case for dry blood samples (2020-02-11),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#36 in Simi Valley, CA

#16,428 in California

#72,042 in US

Simi Valley, CA, United States of America

Vdi Laboratory, LLC

Forward Citations = 33

3 inventors:

Randy Ringold (3 out of 12 patents)

Tyson Ringold (2 out of 2 patents)

Tyson Lee Ringold (1 out of 1 patent)

4. Tyson Ringold (2 patents)

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