Riverside, NJ, United States of America

Donald J Greenspan

This inventor holds 14 USPTO granted patents. Top assignees: U.S. Medical Research and Development, Inc., Other. Active years: 1977-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald J Greenspan. Retrieved from https://idiyas.com/inventor/donald-j-greenspan

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 = 10

Forward Citations = 490(Granted Patents)


Company Filing History:


Years Active: 1977-1985

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14 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Donald J Greenspan

Introduction

Donald J Greenspan is a notable inventor based in Riverside, NJ, with a remarkable portfolio of 14 patents. His work primarily focuses on practical solutions that enhance everyday life through innovative designs and mechanisms.

Latest Patents

Among his latest inventions is a dispenser designed for dispensing items such as pills from a container. This dispenser features a member located at or near the top of the container with an aperture. When the container is inverted and closed by a cover, an item like a pill passes through the aperture, positioning itself between the cover and the dispensing member's top surface. This design allows for easy retrieval of the pill when the container is returned to its original position and the cover is removed. Another significant invention is a sliding cap with frictional engagement, which secures instruments like ballpoint pens to a flexible web. This device comprises a stem and body portion that create a serpentine gap for bending the web, allowing for a non-traumatic gathering of the material. The cap can slide to cover or expose the writing instrument's tip, ensuring it remains securely attached.

Career Highlights

Donald J Greenspan has made significant contributions to the field of invention through his innovative designs. His patents reflect a deep understanding of user needs and practical applications, showcasing his ability to create functional and efficient products.

Collaborations

Throughout his career, Greenspan has collaborated with various organizations, including U.S. Medical Research and Development, Inc. These partnerships have allowed him to further develop his inventions and bring them to market.

Conclusion

Donald J Greenspan's inventive spirit and practical designs have made a lasting impact in his field. His contributions continue to enhance the way we interact with everyday items, showcasing the importance of innovation in improving our lives.

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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