Forward Citations = 1

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7 inventors (with patents filed for the assignee):

Mark S Sankey (1 out of 4 patents)

James F Stewart (1 out of 4 patents)

Andrew J Pounds (1 out of 2 patents)

4. John R Walker (1 out of 2 patents)

5. Scott Stalnaker (1 out of 1 patent)

6. Aubrey Walker (1 out of 1 patent)

7. James R Collins (1 out of 20 patents)

1 patent: Sort by Forward Citations

#17 in Washington, PA

#4,966 in Pennsylvania

#136,844 in US

Spt Group LLC

Forward Citations = 1

7 inventors:

Mark S Sankey (1 out of 4 patents)

James F Stewart (1 out of 4 patents)

Andrew J Pounds (1 out of 2 patents)

4. John R Walker (1 out of 2 patents)

5. Scott Stalnaker (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Spt Group LLC. Retrieved from https://idiyas.com/company/spt-group

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]