Company Filing History:
5 out of 3,345 
2 out of 745 
1 out of 382 
Years Active: 1982-1993
Title: The Innovative Contributions of Francis J Mullin
Introduction
Francis J Mullin, an accomplished inventor based in Chamblee, GA, holds a total of 9 patents that showcase his contributions to the field of electrical engineering and telecommunications. His innovative spirit and technical expertise have led to significant advancements in wire design and materials.
Latest Patents
One of Mullin's latest patents is for an **unshielded service wire for buried installation**. This invention features a core made up of two pairs of insulated metallic conductors, each associated with a longitudinally extending water-blocking member that effectively inhibits water flow along the wire. The jacket of the wire is designed with a generally oval cross-sectional shape and includes embedded strength members that enhance its durability.
Additionally, Mullin developed an **aerial service wire** that features a jacket made from polyvinyl chloride plastic, providing a robust configuration. This wire comprises two groups of strength members, each impregnated with a compatible material, ensuring a strong and durable construction. The conductors are individually insulated and strategically placed to optimize the wire's performance while maintaining the structural integrity of the jacket.
Career Highlights
Mullin’s career spans several prestigious organizations. He notably contributed to **AT&T Bell Laboratories** and **American Telephone & Telegraph Co.** These roles allowed him to leverage his technical skills and make pivotal advancements that would impact the telecommunications industry significantly.
Collaborations
Throughout his career, Mullin collaborated with other notable engineers, including William C Reed and Paul W Harbrecht. These partnerships fostered an environment of innovation and creative problem-solving, leading to the development of groundbreaking technologies.
Conclusion
Francis J Mullin’s work exemplifies the essence of innovation in the telecommunications field. With numerous patents to his name, his contributions to the design of service wires have greatly improved performance and reliability. His legacy lives on through the technologies he helped create and the professionals he inspired in his journey.