Orchard Lake, MI, United States of America

Marshall O Willoughby

This inventor holds 1 USPTO granted patent. Top assignee: Tolcon Steel Corporation. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Marshall O Willoughby. Retrieved from https://idiyas.com/inventor/marshall-o-willoughby

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 1

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Innovations of Marshall O Willoughby

Introduction

Marshall O Willoughby is an accomplished inventor based in Orchard Lake, MI (US). He is known for his innovative contributions to the field of projectile technology. His work focuses on enhancing the accuracy and reusability of plastic bullets.

Latest Patents

Willoughby holds a patent for a plastic bullet that features improved accuracy and reusability. The patent describes a projectile that includes a body and a stud, along with a casing that defines a chamber for closely receiving the projectile stud. The projectile body has a reverse frustoconical shape and a blunt forward end that defines a spherical segment depression. Additionally, a plurality of pockets are defined by the body around its circumference. Both the casing chamber wall and the projectile stud include interfitting serrations with different axial spacings to enhance compression and releasability during firing. The projectile is hollow, with a wall-mass-to-diameter ratio that provides an improved gyroscopic effect. The casing features a thick-wall blast chamber that offers enhanced strength and reusability, allowing for the use of high force primers. Willoughby has 1 patent to his name.

Career Highlights

Willoughby is currently associated with Tolcon Steel Corporation, where he continues to innovate and develop new technologies. His work at the company reflects his commitment to advancing projectile technology and improving safety and performance.

Collaborations

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Conclusion

Marshall O Willoughby is a notable inventor whose work on plastic bullets demonstrates his innovative spirit and dedication to enhancing technology in the field. His contributions are significant and continue to impact the industry.

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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