Company Filing History:
2 out of 27,394 
1 out of 9,638 
Years Active: 1997-2011
Title: The Innovative Contributions of William A. Keese
Introduction
William A. Keese is a notable inventor based in Philomath, Oregon. He has made significant contributions to the field of fluid ejection devices, holding a total of three patents. His work has been influential in advancing manufacturing techniques in this area.
Latest Patents
William A. Keese's latest patents include a method of manufacturing a fluid ejection device with a dry-film photo-resist layer. This method involves providing a barrier layer and an orifice layer on a substrate, laminating a layer of photo-resist over a substantially planar surface of the orifice layer, forming an orifice in the orifice layer, and forming a counterbore in the layer of photo-resist. The process includes exposing a portion of the substantially planar surface of the orifice layer within the counterbore. Another patent focuses on methods of manufacturing a fluid ejection device, which comprises forming filler structures on a substrate and laminating a dry film onto the substrate over the filler structures. The dry film defines a barrier layer around the filler structures and an orifice layer above them, with the filler structures being removed to create voids within the barrier layer.
Career Highlights
Throughout his career, William A. Keese has worked with prominent companies such as Hewlett-Packard Development Company, L.P. and Hewlett-Packard Company. His experience in these organizations has contributed to his expertise in the field of fluid ejection technology.
Collaborations
William has collaborated with notable individuals in his field, including Thomas R. Strand and Manish Giri. These collaborations have likely enriched his work and contributed to the development of innovative solutions in fluid ejection devices.
Conclusion
William A. Keese's contributions to the field of fluid ejection devices through his patents and career experiences highlight his role as an influential inventor. His innovative methods continue to impact the industry positively.
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.