Manhattan Beach, CA, United States of America

Gunther E Gronwold

This inventor holds 1 USPTO granted patent. Top assignee: Mattel, Inc.. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Gunther E Gronwold. Retrieved from https://idiyas.com/inventor/gunther-e-gronwold

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 = 25(Granted Patents)


Company Filing History:


Years Active: 1980

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Gunther E Gronwold: Innovator in Toy Vehicle Design

Introduction

Gunther E Gronwold is a notable inventor based in Manhattan Beach, CA (US). He is recognized for his innovative contributions to the toy industry, particularly in the design of toy vehicles. With a single patent to his name, Gronwold has made a significant impact in the realm of children's toys.

Latest Patents

Gronwold's most recent patent is for a toy vehicle featuring a spring drive mechanism. This inventive design incorporates first and second unidirectional slip clutch members that connect to the vehicle's drive wheels. The slip clutches are equipped with gear members that allow the spring to wind through a first gear ratio while the vehicle is pushed in reverse. Upon release, the vehicle is propelled forward through a second gear ratio, utilizing only one of the slip clutch members for each action. This patent showcases Gronwold's creativity and technical expertise in toy design.

Career Highlights

Throughout his career, Gunther E Gronwold has worked with Mattel, Inc., a leading company in the toy industry. His role at Mattel has allowed him to contribute to the development of engaging and innovative toys that capture the imagination of children. Gronwold's dedication to his craft is evident in the quality and functionality of his designs.

Collaborations

Gronwold has collaborated with talented individuals such as Ake L Larsson and Derek A Corris. These partnerships have fostered a creative environment that encourages the exchange of ideas and innovation in toy design.

Conclusion

Gunther E Gronwold is a distinguished inventor whose work in toy vehicle design has left a lasting impression on the industry. His patent for a toy vehicle with a spring drive mechanism exemplifies his innovative spirit and commitment to creating enjoyable products for children.

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]
Loading…