Company Filing History:
2 out of 3,430 
1 out of 832,961 Years Active: 1990-1995
Title: The Innovations of Donald J Jester
Introduction
Donald J Jester is a notable inventor based in Lisle, IL (US). He has made significant contributions to the field of telecommunications, holding a total of 3 patents. His work focuses on enhancing public safety communication systems, showcasing his commitment to innovation in this critical area.
Latest Patents
One of Jester's latest patents is a "Switch bypass for a public safety calling system." This invention features a switch bypass for a Public Safety Calling System that includes a first switch for routing telephone calls, a second switch for routing telephone calls, and devices for bypassing the first switch in case of failure. This ensures that calls can be transferred to the second switch seamlessly. Another significant patent is "Internode routing for a telephone system." This invention involves an emergency telephone system that defines emergency service zones and facilitates the transfer of calls to the appropriate public safety answering point based on the location of the emergency service zone.
Career Highlights
Throughout his career, Donald J Jester has worked with various organizations, including Rockwell International Corporation. His experience in these companies has allowed him to develop and refine his innovative ideas, contributing to advancements in telecommunications.
Collaborations
Jester has collaborated with notable individuals in his field, including Robert J Mulrow and Andrew W Pankonen. These partnerships have likely played a role in the development of his patents and innovations.
Conclusion
Donald J Jester's contributions to telecommunications through his patents demonstrate his dedication to improving public safety communication systems. His innovative work continues to impact the industry positively.