Park Forest, IL, United States of America

F Paul Marshall

This inventor holds 1 USPTO granted patent. Top assignee: The Continental Group, Inc.. Active years: 1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: F Paul Marshall. Retrieved from https://idiyas.com/inventor/f-paul-marshall-hr6z5h3r

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1982

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1 patent (USPTO):Explore Patents

Title: F Paul Marshall - Innovator in Closure Technology

Introduction

F Paul Marshall is a notable inventor based in Park Forest, IL (US). He has made significant contributions to the field of packaging technology, particularly in the design of closures for containers. His innovative approach has led to the development of a unique tamper-indicating closure that enhances product safety and integrity.

Latest Patents

Marshall holds a patent for a "Lever-off tamper-indicating composite closure." This invention is specifically designed for sealing containers that hold products packed under high vacuum. The closure remains securely in place due to the vacuum, requiring a substantial lifting or prying force to remove it. The design features a supporting band that interlocks with the closure shell, incorporating a lever that engages with a shoulder on the container to facilitate the necessary lifting action. The lever and supporting band are preferably made from injection-molded plastic, ensuring durability and effectiveness. Additionally, the closure includes tamper-indicating means to enhance security.

Career Highlights

F Paul Marshall is associated with The Continental Group, Inc., where he has applied his expertise in packaging solutions. His work has focused on creating innovative products that meet the demands of modern packaging requirements. His patent reflects his commitment to improving safety and usability in container closures.

Collaborations

Marshall has collaborated with Elmer J Boik, contributing to advancements in closure technology. Their partnership has fostered innovation and development in the field.

Conclusion

F Paul Marshall's contributions to closure technology exemplify his dedication to innovation and safety in packaging. His patented designs continue to influence the industry, ensuring that products remain secure and tamper-proof.

Profile summary based on public USPTO records.
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]
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