Alton, IL, United States of America

Cynthia L Johnson

This inventor holds 1 USPTO granted patent. Top assignee: Olin Corporation. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Cynthia L Johnson. Retrieved from https://idiyas.com/inventor/cynthia-l-johnson-dtmhimvr

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 = 3.0

ph-index = 1

Forward Citations = 81(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Cynthia L Johnson: Innovator in Ammunition Technology

Introduction

Cynthia L Johnson is a notable inventor based in Alton, IL (US). She has made significant contributions to the field of ammunition technology, particularly with her innovative designs that enhance shooting performance.

Latest Patents

Cynthia holds a patent for a "Collapsible basewad." This invention is designed to work in combination with a cartridge case that has a tubular wall and a head closing one end of the wall. The collapsible basewad comprises a unitary body positioned between the propellant charge and the head. The upper portion of the basewad is deflectable and has an upwardly concave shape, which allows for the reduction of recoil felt by the shooter without adding any extra weight to the projectile load. This innovative design enhances the overall shooting experience.

Career Highlights

Cynthia is currently employed at Olin Corporation, where she continues to develop and refine her inventions. Her work has been instrumental in advancing ammunition technology, making it safer and more efficient for users.

Collaborations

Cynthia has collaborated with notable colleagues such as Stephen J Bilsbury and Robert J Gardner. Their combined expertise has contributed to the success of various projects within the company.

Conclusion

Cynthia L Johnson is a pioneering inventor whose work in ammunition technology has made a lasting impact. Her innovative designs, particularly the collapsible basewad, demonstrate her commitment to enhancing shooting performance and safety.

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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