Oregon City, OR, United States of America

Michael David Marshall

This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Other. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Michael David Marshall. Retrieved from https://idiyas.com/inventor/michael-david-marshall

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:

goldMedal1 out of 834,659 
Other
 patents

Years Active: 1976

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1 patent (USPTO):Explore Patents

Title: Michael David Marshall: Innovator in Game Footbag Design

Introduction

Michael David Marshall is an inventive mind based in Oregon City, OR (US). He is known for his unique contributions to the world of sports and games, particularly through his innovative design of a game footbag. His creativity and dedication to enhancing recreational activities have made a significant impact in this niche.

Latest Patents

Marshall holds a patent for a game footbag, which features a tough, flexible cover that is partly filled with predominantly parallel small discs. This design allows the footbag to form a thick disc or flattened sphere, enabling players to kick it vertically and keep it in the air for as long as possible. This invention showcases his ability to blend functionality with fun in sports equipment.

Career Highlights

Throughout his career, Michael David Marshall has focused on creating engaging and innovative products that enhance play. His work in the field of game design reflects his passion for sports and his commitment to improving the experience for players. With 1 patent to his name, he has established himself as a noteworthy inventor in the industry.

Collaborations

Marshall has collaborated with Robert John Stalberger, Jr., who has been a valuable coworker in his inventive journey. Their partnership has contributed to the development of innovative ideas and products in the realm of sports.

Conclusion

Michael David Marshall's contributions to the game footbag exemplify his innovative spirit and dedication to enhancing recreational activities. His work continues to inspire others in the field of sports invention.

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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