Company Filing History:
Years Active: 1979
Title: The Innovative Contributions of Donald E. Stewart
Introduction
Donald E. Stewart is a notable inventor based in Arcadia, CA (US). He has made significant contributions to the field of microfilm technology, holding a total of 2 patents. His work has advanced the way microfiche documents are produced and managed, showcasing his innovative spirit and technical expertise.
Latest Patents
Stewart's latest patents include the "Composing Reducing Camera" and the "Demand Publishing Royalty Accounting System for an Electrostatic Copier." The Composing Reducing Camera is an apparatus designed for automatically producing microfiche from microfilm in various formats. This invention allows for the seamless transition of photographic images from microfilm to microfiche, utilizing a film transport system that steps through frames and reduces their size using a reducing lens. The device is equipped with an automatic optical titling feature, enabling operators to title each microfiche efficiently.
The Demand Publishing Royalty Accounting System is a transaction accounting system that automates the royalty accounting of copyright-coded microfiche documents. This system integrates a microfiche copier with a transaction data terminal, allowing for the input of essential transaction information. It includes features such as enabling circuits for copier access, data recorders, and special sequence operations to manage transactions effectively.
Career Highlights
Donald E. Stewart has had a distinguished career at Xerox Corporation, where he has contributed to various innovative projects. His work has not only enhanced the functionality of microfilm technology but has also streamlined processes related to copyright management and document reproduction.
Collaborations
Throughout his career, Stewart has collaborated with notable colleagues, including Robert K. Hunter, Jr. and David A. Grafton. These collaborations have fostered an environment of innovation and creativity, leading to advancements in their respective fields.
Conclusion
Donald E. Stewart's contributions to microfilm technology and document management have left a lasting impact on the industry. His innovative patents and collaborative efforts at Xerox Corporation exemplify his dedication to advancing technology.