Forward Citations = 31

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4 inventors (with patents filed for the assignee):

Christopher Mark Marschall (4 out of 4 patents)

Paul Dowd (2 out of 65 patents)

Robert Marvin (2 out of 17 patents)

4. Christopher Miller (2 out of 2 patents)

4 patents: Sort by Forward Citations

1. 12630334 - Method and apparatus for interconnectable building block container toys capable of storing items (2026-05-19),

2. 11591134 - Method and apparatus for interconnectable building block container toys capable of storing items (2023-02-28),

3. 10618691 - Method and apparatus for interconnectable building block container toys capable of storing items (2020-04-14),

4. D722658 - Interconnectable building block container capable of storing items (2015-02-17),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#8 in New Hope, PA

#2,214 in Pennsylvania

#60,671 in US

New Hope, PA, United States of America

Changebox IP Holdings, LLC

Forward Citations = 31

4 inventors:

Christopher Mark Marschall (4 out of 4 patents)

Paul Dowd (2 out of 65 patents)

Robert Marvin (2 out of 17 patents)

4. Christopher Miller (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Changebox IP Holdings, LLC. Retrieved from https://idiyas.com/company/changebox-ip-holdings

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]