Spokane, WA, United States of America

Dale Plewman

This inventor holds 2 USPTO granted patents. Top assignee: Columbia Lighting, Inc.. Active years: 1988-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dale Plewman. Retrieved from https://idiyas.com/inventor/dale-plewman

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 = 2

Forward Citations = 32(Granted Patents)


Company Filing History:


Years Active: 1988-1989

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2 patents (USPTO):Explore Patents

Title: Dale Plewman: Innovator in Lighting Technology

Introduction

Dale Plewman is a talented inventor based in Spokane, WA (US). She has made significant contributions to the field of lighting technology, holding a total of 2 patents. Her innovative designs focus on enhancing the efficiency and effectiveness of luminaires.

Latest Patents

Dale's latest patents include the "Indirect Luminaire" and the "Reflector System for a Luminaire." The Indirect Luminaire is designed to be mounted adjacent to a surface for optimal illumination. It features a first reflector that is strategically positioned to cut off light emanating from the source, while a second reflector directs light along the surface. The Reflector System for a Luminaire incorporates a first and second reflector extending along opposite sides of an electric lamp. This system includes a cross baffle that prevents bright spots by incorporating light-absorbing portions.

Career Highlights

Dale Plewman is currently associated with Columbia Lighting, Inc., where she continues to innovate and develop advanced lighting solutions. Her work has been instrumental in improving the functionality and aesthetics of lighting fixtures.

Conclusion

Dale Plewman's contributions to lighting technology through her patents and work at Columbia Lighting, Inc. highlight her role as a leading inventor in the industry. Her innovative designs are paving the way for more efficient lighting solutions.

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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