Oconomowoc, WI, United States of America

James F Langdon

This inventor holds 7 USPTO granted patents. Top assignees: Ameritech Services, Inc., At&t Intellectual Property I, LP. Active years: 1999-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James F Langdon. Retrieved from https://idiyas.com/inventor/james-f-langdon

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


% Patents Active = 57.1

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 49(Granted Patents)


Company Filing History:


Years Active: 1999-2010

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7 patents (USPTO):Explore Patents

Title: Innovations of James F. Langdon

Introduction

James F. Langdon is an accomplished inventor based in Oconomowoc, Wisconsin. He holds a total of seven patents, showcasing his expertise in developing innovative technologies. His work primarily focuses on call tracing systems, which have significant implications for telecommunications.

Latest Patents

One of Langdon's latest patents is a method and system for call tracing. This invention is designed to establish a call trace system quickly and efficiently. The system operates through a web browser page that remotely programs central offices to trace calls to specific numbers. Once a trace is established, a message is sent back to the web browser, displaying the calling number, the called number, and the central office that detected the call. Additionally, a page is sent to a pager, providing the traced information.

Career Highlights

Throughout his career, Langdon has worked with notable companies such as Ameritech Services, Inc. and AT&T Intellectual Property I, L.P. His experience in these organizations has contributed to his development as an inventor and has allowed him to refine his skills in telecommunications technology.

Collaborations

Langdon has collaborated with various professionals in his field, including his coworker Paul W. Fellner. These collaborations have likely enhanced his innovative capabilities and contributed to the success of his inventions.

Conclusion

James F. Langdon's contributions to the field of telecommunications through his innovative call tracing systems demonstrate his significant impact as an inventor. His work continues to influence the industry and showcases the importance of innovation in technology.

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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