Location History:
- Cupertino, CA (US) (1976 - 1992)
- Saratoga, CA (US) (1994)
Company Filing History:
Years Active: 1976-1994
Title: The Innovative Contributions of David E Stepner
Introduction
David E Stepner is a notable inventor based in Cupertino, California. He has made significant contributions to the field of technology, holding a total of seven patents. His work reflects a commitment to innovation and practical solutions in engineering.
Latest Patents
Among his latest patents is a portable bicycle pump featuring a collapsible handle and footstand. This bicycle pump includes a pivoting footpeg that allows the user to secure the pump against the ground while using it. Additionally, the pump has a pivoting handle equipped with a spring that maintains tension between the base and handle, enabling it to be secured on a bicycle frame. Another significant patent involves the fabrication of printed wiring boards by projection imaging. This process entails exposing a liquid crystal cell to radiation, where a desired pattern is written. The radiation is then directed to a substrate coated with a radiation-sensitive material, allowing for precise pattern creation and corrections through a processor.
Career Highlights
David has worked with several companies throughout his career, including Greyhawk Systems, Inc. and Measurex Corporation. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
David has collaborated with notable individuals in his field, including Frederic J Kahn and Paul N Kendrick. These partnerships have likely enhanced his work and led to further advancements in his projects.
Conclusion
David E Stepner's contributions to innovation and technology are evident through his patents and career achievements. His work continues to influence the fields of engineering and product design.