Austin, TX, United States of America

Dennis J Roden

This inventor holds 3 USPTO granted patents. Top assignee: 3M Innovative Properties Company. Active years: 1990-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dennis J Roden. Retrieved from https://idiyas.com/inventor/dennis-j-roden

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 = 2.3

ph-index = 2

Forward Citations = 20(Granted Patents)


Location History:

  • Austin, TX (US) (1990)
  • Saint Paul, MN (US) (1992 - 1993)

Company Filing History:


Years Active: 1990-1993

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3 patents (USPTO):Explore Patents

Title: Dennis J Roden: Innovator in Overhead Projection Technology

Introduction

Dennis J Roden is a notable inventor based in Austin, TX (US). He has made significant contributions to the field of overhead projection technology, holding a total of 3 patents. His innovative designs have enhanced the functionality and efficiency of overhead projectors, making them more versatile for various applications.

Latest Patents

One of Roden's latest patents is for a cover for an overhead projector. This invention includes a reflective overhead projector equipped with alternate light sources. The design features two lamps that allow for a seamless transition from one lamp to another in case the active lamp expires. The lamps are strategically arranged to face the center of a circle, where a rotatable planar mirror is positioned. This mirror can be adjusted to direct light from the selected lamp, and an electrical switch detects the mirror's position to ensure the appropriate lamp receives power.

Career Highlights

Dennis J Roden has had a successful career, working at the Minnesota Mining and Manufacturing Company, commonly known as 3M. His work has focused on improving projection technology, which has been instrumental in various educational and professional settings.

Collaborations

Throughout his career, Roden has collaborated with talented individuals such as Robert S Carpenter and Ernesto M Rodriguez, Jr. These partnerships have contributed to the development of innovative solutions in the field of projection technology.

Conclusion

Dennis J Roden's contributions to overhead projection technology through his patents and collaborations have made a lasting impact in the industry. His work continues to influence how projection systems are utilized today.

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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