Oreland, PA, United States of America

Leonard R Clark, Jr

This inventor holds 21 USPTO granted patents and 1 published patent application, primarily in Toy Vehicle Design. Top assignees: Mattel, Inc., Chase Marketing International, Goldman Toy Group, Inc.. Active years: 1977-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Leonard R Clark, Jr. Retrieved from https://idiyas.com/inventor/leonard-r-clark-jr

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

USPTO Granted Patents = 21 

% Patents Active = 90.5

Average Co-Inventor Count = 2.0

ph-index = 11

Forward Citations = 403(Granted Patents)


Company Filing History:


Years Active: 1977-2019

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Areas of Expertise:
Wall Racer
Toy Vehicles
Remote-Controlled
Bodyslammers
Toy Car Base
Three-Wheeled Vehicle
Inflatable Toy
Mechanic's Tool Trays
Position Monitor
Spherical Control System
Lockable Storage
Steerable Vehicle
21 patents (USPTO):Explore Patents

Title: Leonard R Clark, Jr: Innovator of Wall Racer Toy Vehicles

Introduction

Leonard R Clark, Jr. from Oreland, PA, is a prolific inventor with a total of 21 patents credited to his name. His inventive spirit and engineering prowess have led to significant contributions in the field of toy design, especially with his latest innovations that captivate the imagination of children and adults alike.

Latest Patents

Among his notable inventions is the Wall Racer toy vehicle, which is designed to operate on vertical and inverted horizontal surfaces, such as walls and ceilings. This motorized toy vehicle showcases a unique mechanism that utilizes battery-powered fans to create a lift effect, allowing it to adhere to surfaces while providing an exhilarating experience. The design prioritizes manufacturability at a reasonable cost, ensuring that the enjoyment can be widely accessible. The Wall Racer's carefully shaped duct draws air from the surroundings, enabling high-velocity airflow that facilitates its operation on unconventional surfaces.

Career Highlights

Leonard has made significant contributions in various roles throughout his career, working with reputable companies like Mattel, Inc. His innovative ideas have fostered playtime experiences that combine creativity with engineering, demonstrating his commitment to advancing entertainment technology.

Collaborations

During his career, Leonard collaborated with notable figures such as H Peter Greene, Jr. and Ernest D Baker. These partnerships not only enriched his projects but also helped propel his inventions into the toy industry mainstream.

Conclusion

Leonard R Clark, Jr. remains a key figure in the realm of inventors, continually pushing the boundaries of what is possible in toy design. His latest patent for the Wall Racer toy vehicle exemplifies innovation rooted in practicality and creativity, ensuring that his impact will be felt for generations to come.

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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