Location History:
- Bedford, MA (US) (1977 - 1993)
- Manchester, NH (US) (1996)
Company Filing History:
3 out of 1,770 
2 out of 605 
1 out of 1,452 
Years Active: 1977-1996
Title: George L. Duggan: Innovator in Arc Discharge Technology
Introduction: George L. Duggan is a prominent inventor based in Bedford, Massachusetts, who has made significant contributions to the field of arc discharge technology. With a total of six patents to his name, Duggan's work focuses on innovative materials and methods that advance the efficiency and performance of arc discharge lamps.
Latest Patents: Among his most notable inventions are the high-pressure arc discharge lamp utilizing barium hafnate and the mercury vapor discharge device. The high-pressure arc discharge lamp patent details a method for creating an electron-emitting barium hafnate material. This involves forming a mixture of barium carbonate and hafnium oxide, which is processed through ball milling, drying, and firing at high temperatures to produce a specialized product. The resulting barium hafnate is vacuum impregnated into tungsten electrodes, significantly enhancing their performance. His mercury vapor discharge device patent includes an emissive material on the electrodes, consisting of a single-phase compound of BaₓSr₁₋ₓY₂O₄, demonstrating a novel approach to improving discharge efficiency.
Career Highlights: Over the course of his career, George L. Duggan has been associated with reputable companies such as GTE Products Corporation and GTE Sylvania Incorporated. His experience in these organizations has allowed him to hone his expertise in lamp technology and contribute to advancements in the field.
Collaborations: Duggan has collaborated with other talented professionals, including David Alan Goodman and Edmund M. Passmore. Their partnership has fostered an innovative environment that has contributed to several successful inventions and developments in arc discharge technologies.
Conclusion: George L. Duggan stands out as a notable inventor whose work in the realm of arc discharge lamps is marked by creativity and technical prowess. With his patents demonstrating advanced methodologies in materials science, his contributions continue to influence the industry and pave the way for future innovations.