Company Filing History:
Years Active: 2014-2015
Title: The Innovative Contributions of David A. Harper
Introduction
David A. Harper is a notable inventor based in Saint Paul, MN (US). He has made significant contributions to the field of signage technology, holding a total of 3 patents. His work focuses on creating hybrid signage solutions that enhance visibility and functionality.
Latest Patents
One of David's latest patents is for hybrid self-illuminated and actively backlit signage for printed graphics. This innovative signage is capable of self-illumination and features an active backlight. The design includes a turning film with a structured surface that redirects light to passively illuminate printed graphics or shaped signs when the backlight is off. In this shaped sign, the form conveys the content, such as letters, to the viewer instead of relying solely on graphics. When the backlight is activated, the signage can be actively illuminated to supplement the passive illumination, enhancing its visibility.
Career Highlights
David A. Harper is associated with 3M Innovative Properties Company, where he continues to develop cutting-edge signage technologies. His work has not only advanced the field but has also contributed to the company's reputation for innovation.
Collaborations
David collaborates with talented coworkers, including Erik A. Aho and Audrey A. Sherman, who contribute to the innovative environment at 3M.
Conclusion
David A. Harper's inventive spirit and dedication to improving signage technology have led to significant advancements in the industry. His patents reflect a commitment to innovation that enhances both functionality and user experience.