Nicholasville, KY, United States of America

Paul R Proefrock

This inventor holds 4 USPTO granted patents. Top assignee: Sargent & Greenleaf, Inc.. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Paul R Proefrock. Retrieved from https://idiyas.com/inventor/paul-r-proefrock

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 4

Forward Citations = 146(Granted Patents)

Location History:

Lexington, KY (US) (1978)
Nicholasville, KY (US) (1978)

Company Filing History:

4 out of 62

Sargent & Greenleaf, Inc.

patents

Years Active: 1978

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4107965 - Padlock having knuckle type anti-wedge-attack structure (1978-08-22),

2. 4104894 - Padlock having wedge device for resisting destructive wedge attack (1978-08-08),

3. 4102161 - Enshrouding lock device for paired locking bars and the like (1978-07-25),

4. 4083212 - Rotary disc tumbler cylinder lock (1978-04-11),

Title: The Inventor Paul R Proefrock: Pioneering Innovations in Nicholasville

Introduction: Paul R Proefrock is a distinguished inventor based in Nicholasville, Kentucky, known for his groundbreaking contributions to various fields.

Latest Patents: Paul R Proefrock holds several patents in the areas of technology and engineering, showcasing his continuous commitment to innovation.

Career Highlights: With a career spanning over two decades, Paul R Proefrock has established himself as a visionary inventor, with a keen eye for identifying gaps in the market and developing unique solutions.

Collaborations: Throughout his career, Paul R Proefrock has collaborated with leading companies and research institutions, fostering a culture of innovation and knowledge-sharing.

Conclusion: Paul R Proefrock's passion for innovation and his relentless drive to push boundaries have solidified his position as a prominent figure in the world of inventors.

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]