Location History:
- White River Junction, VT (US) (1979 - 2007)
- Key Colony Beach, FL (US) (2007)
Company Filing History:
2 out of 21,594 
1 out of 24,194 
1 out of 3 Years Active: 1979-2007
Title: The Innovative Contributions of Charles W. Spehrley
Introduction
Charles W. Spehrley is a notable inventor based in White River Junction, Vermont. He holds a total of six patents, showcasing his significant contributions to the field of printing technology. His work has had a lasting impact on the industry, particularly in the development of high-resolution inkjet printers.
Latest Patents
One of Spehrley's latest patents is for a high-resolution multicolor inkjet printer. This innovative printer features a rotating drum and two inkjet heads that scan along a substrate carried by the drum. The design includes a lead screw coupled to the drum drive shaft, allowing for precise control of drop ejection rates. The printer utilizes high-density inks in one printhead and low-density inks in another, ensuring high print quality through accurate distance control between the drum and printhead. Additionally, a heater maintains the drum surface temperature, optimizing the printing process for hot melt inks. Another significant patent involves apparatus for precisely adjusting the position of workstations in a document printer/copier. This invention allows for accurate positioning relative to an internal drum, enhancing the functionality of document printing and copying.
Career Highlights
Throughout his career, Charles W. Spehrley has worked with prominent companies such as Eastman Kodak Company and Xerox Corporation. His experience in these leading organizations has contributed to his expertise in printing technologies and innovation.
Collaborations
Spehrley has collaborated with notable individuals in the industry, including James E. Britt and Brian F. Walsh. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Charles W. Spehrley's contributions to printing technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence the industry, ensuring advancements in high-resolution printing solutions.