Company Filing History:
2 out of 3 
2 out of 24,190 
1 out of 3 Years Active: 1981-1999
Title: The Innovations of William S. Duvall
Introduction
William S. Duvall, an accomplished inventor based in Portola Valley, California, is recognized for his significant contributions to technology and data processing. With a remarkable portfolio of five patents, Duvall has made strides in creating innovative solutions that address contemporary challenges in data management and filtering.
Latest Patents
One of Duvall's latest inventions is an internet filtering system designed for effective data transmission management. This client-based filtering system evaluates incoming and outgoing messages against a filter database, determining whether to block or allow transmissions based on a comparison. It includes a match response feature that employs various blocking options and is supported by an update server for maintaining current filtering information through the Internet.
Another notable patent is a data processing system with multiple display apparatuses. It involves a unique selection device that allows users to select characters from two sets defined by different bit map dimensions. The system can display these characters in designated areas, enabling a split-screen view that enhances user experience by showcasing a magnified portion of text alongside standard text.
Career Highlights
Throughout his career, William S. Duvall has worked with several esteemed companies, including Amtel Systems Corporation and Xerox Corporation. His experience in these organizations has greatly influenced his innovative approach and problem-solving capabilities.
Collaborations
Duvall has also collaborated with notable professionals such as William K. English and Matthew Kendall. These partnerships have played a significant role in enhancing his work and contributing to the successful development of his inventions.
Conclusion
William S. Duvall stands out as a notable inventor in the realm of technology and data processing. His patents demonstrate a profound understanding of user needs and the technical challenges presented by modern communication systems. As innovations continue to evolve, Duvall's contributions serve as a foundation for future advancements in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.