Company Filing History:
Years Active: 2003-2005
Title: John Stephen Farrah: Innovator in Display Technology
Introduction
John Stephen Farrah is a notable inventor based in Lancaster, PA (US). He has made significant contributions to the field of display technology, holding a total of 3 patents. His innovative approaches have led to advancements in manufacturing processes for cathode ray tubes (CRTs).
Latest Patents
Farrah's latest patents include a "Neck cleaning method for a CRT" and a "Resistive primer coating for a display apparatus." The neck cleaning method involves a unique process for cleaning the neck of a funnel during CRT manufacturing. This method utilizes a drain tube to direct fluid through a gap, effectively removing any residual material and dirt from the neck. The cleaning apparatus is designed to ensure a laminar flow of fluid, enhancing the cleaning efficiency.
The resistive primer coating patent describes a display apparatus with an evacuated envelope that features a luminescent screen. This invention includes an electron gun that generates an electron beam directed toward the screen. A resistive primer coating is applied to the envelope, creating a barrier between the adhesive used for the deflection yoke and the envelope itself. This coating is formulated from a copolymer of chloroprene and methacrylic acid, along with a conductive filler material and cross-linking agents.
Career Highlights
Throughout his career, John Stephen Farrah has worked with Thomson Licensing S.a. and Thomson Licensing. His work in these companies has allowed him to develop and refine his innovative ideas in display technology.
Collaborations
Farrah has collaborated with notable individuals in his field, including Donald W. Bartch and Leonard Pratt Wilbur, Jr. These collaborations have contributed to the advancement of technology in the display industry.
Conclusion
John Stephen Farrah's contributions to display technology through his patents and collaborations highlight his role as an influential inventor. His innovative methods continue to impact the manufacturing processes of CRTs and display apparatuses.