Location History:
- Richardson, TX (US) (1985 - 1988)
- Dallas, TX (US) (1976 - 1996)
- Keller, TX (US) (1994 - 2022)
Company Filing History:
9 out of 28 
2 out of 275 
1 out of 7,865 
Years Active: 1976-2022
Title: **Innovative Contributions of Mark Joseph O'Neill**
Introduction
Mark Joseph O'Neill, an accomplished inventor based in Keller, TX, holds an impressive portfolio of 21 patents. Renowned for his inventive solutions, O'Neill's work primarily focuses on enhancing the safety and visibility of traffic infrastructure through retroreflective technologies.
Latest Patents
One of O'Neill's most notable inventions is a **retroreflective traffic stripe** that boasts brightness levels up to 1,000 times greater than existing technologies. This innovative design features a unique arrangement of linear light-turning prisms situated over cube corner retroreflective prisms, optimized for maximum light reflection. The configuration includes vertically aligned surfaces facing oncoming headlights, directing light effectively towards the retroreflective elements, thereby enhancing driver visibility at night.
Another significant invention is a **retroreflective traffic stripe** designed for both wet and dry weather conditions. This stripe integrates a top surface with a repeating pattern of light-turning prisms and a secondary pattern of linear prisms. These work cohesively to redirect headlight illumination onto the bottom surface comprising cube corner retroreflective prisms, ensuring safety and visibility regardless of weather conditions.
Career Highlights
Mark Joseph O'Neill has worked at various companies, including En-Tech Corporation, where he developed pivotal innovations in traffic safety technologies. His commitment to enhancing roadway safety through inventive solutions is evident in his extensive work on retroreflective materials and traffic markings.
Collaborations
Throughout his career, O'Neill has collaborated with notable professionals in the field, including Lewis M. Fraas and Almus J. McDanal. These partnerships have contributed to the refinement and implementation of his innovative ideas, leading to the successful adoption of his patented technologies.
Conclusion
Mark Joseph O'Neill's contributions to traffic safety via his inventive retroreflective technologies highlight his role as a significant figure in the field of innovation. With 21 patents to his name, O'Neill continues to influence the development of safer roadways, showcasing the importance of creativity and technical expertise in addressing real-world challenges.