Princeton, MN, United States of America

Douglas Grangroth

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Polaris Industries Inc.. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas Grangroth. Retrieved from https://idiyas.com/inventor/douglas-grangroth

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Innovations by Douglas Grangroth in Recreational Vehicle Technology

Introduction

Douglas Grangroth is an inventive mind based in Princeton, MN (US). He has made significant contributions to the field of recreational vehicle technology. His innovative approach has led to the development of a unique patent that enhances the functionality of recreational vehicles.

Latest Patents

Grangroth holds a patent for a recreational vehicle storage and speaker system. This invention features convertible storage-speaker enclosures designed to optimize space and sound quality. The polymer body structures include speaker receiving receptacles with an enclosure portion that has a cavity and a mounting interface. This interface can accommodate either a storage compartment cover or a speaker unit. The design allows for easy access to the storage compartment while ensuring that the speaker units are effectively integrated into the vehicle's interior. The volume of the enclosure and the speaker are matched for optimal performance, making this invention a notable advancement in recreational vehicle design.

Career Highlights

Grangroth is associated with Polaris Industries Inc., a leading company in the recreational vehicle industry. His work there has allowed him to focus on innovative solutions that enhance user experience and vehicle functionality. His patent reflects his commitment to improving recreational vehicle design and usability.

Collaborations

Some of his notable coworkers include Dean Fremling and Jason R Fields. Their collaboration has likely contributed to the innovative environment at Polaris Industries Inc., fostering creativity and technological advancement.

Conclusion

Douglas Grangroth's contributions to recreational vehicle technology through his patent demonstrate his innovative spirit and dedication to enhancing user experience. His work continues to influence the industry positively.

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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