Location History:
- Phoenix, AZ (US) (1986)
- Tempe, AZ (US) (1981 - 1999)
Company Filing History:
3 out of 8 
1 out of 3 
1 out of 832,812 Years Active: 1981-1999
Title: The Innovations of Marshall I Gurian: A Pioneer in Circuit Board Substrate Processing
Introduction:
Marshall I Gurian, a brilliant inventor hailing from Tempe, AZ (US), has made significant contributions to the field of circuit board substrate processing. With a total of 5 patents to his name, Gurian is renowned for his innovative approaches in the industry.
Latest Patents:
Gurian's latest patents showcase his expertise in the domain:
- "Process for etching trace side walls" focuses on efficiently etching the sides of a trace to remove any unwanted extensions over a circuit board substrate.
- "Apparatus for processing printed circuit board substrates" introduces a novel conveyor system using rotating disks to facilitate the contact of circuit board substrates with etching fluids, ensuring a seamless processing experience.
Career Highlights:
Gurian has left a lasting impact through his work at companies such as Advanced Systems and Coates ASI, Inc. His dedication to refining circuit board substrate processing technologies has garnered acclaim within the industry.
Collaborations:
During his career, Gurian collaborated with esteemed colleagues like Don P Pender and Michael M Hatfield. Together, they pushed the boundaries of innovation in circuit board substrate processing, leading to advancements that have influenced the field.
Conclusion:
Marshall I Gurian stands as a pioneer in the realm of circuit board substrate processing, with a remarkable portfolio of patents and a history of successful collaborations. His inventive spirit continues to inspire future innovators in the industry.