Victor, NY, United States of America

David J Day

This inventor holds 1 USPTO granted patent. Top assignee: Redcom Laboratories, Inc.. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David J Day. Retrieved from https://idiyas.com/inventor/david-j-day-47agb0vq

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 = 2.0

ph-index = 1

Forward Citations = 39(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: David J Day - Innovator in Key Telephone Systems

Introduction

David J Day is a notable inventor based in Victor, NY (US). He has made significant contributions to the field of telecommunications, particularly in the development of key telephone systems. His innovative approach has led to the creation of a patent that enhances the functionality of telephone systems.

Latest Patents

David J Day holds a patent for a key telephone system that provides the selection of key or private branch exchange (PBX) operational modes. This system utilizes a plurality of digital telephone station sets that communicate with line circuits connected to a time division multiplex (TDM) telephone switching system. The design allows for a single pair of leads (tip and ring) to connect each station set to the line circuits. The TDM switching system features a processor with an operating system that facilitates the selection of key and PBX features. Additionally, it provides access to trunk lines that connect the telephone station sets to other switching systems, such as the central office of the public utility telephone company.

Career Highlights

David J Day is associated with Redcom Laboratories, Inc., where he has contributed to advancements in telecommunications technology. His work has focused on improving the efficiency and functionality of key telephone systems, making them more versatile for users.

Collaborations

One of his notable coworkers is James W Delmege, with whom he has likely collaborated on various projects within the telecommunications sector.

Conclusion

David J Day's innovative contributions to key telephone systems have made a lasting impact in the field of telecommunications. His patent reflects a significant advancement in technology that enhances communication capabilities.

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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