Granted Patent
Utility
US 6,177,225 · App. 09/404,905
Photosensitive resin compositions
Inventors:
William D. Weber, Pamela J. Waterson, Steve Lien-Chung Hsu, Ahmad A. Naiini
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Sep 24, 1999
Inventors
William D. Weber
Pamela J. Waterson
Steve Lien-Chung Hsu
Ahmad A. Naiini
Assignee (at issue)
Arch Specialty Chemicals, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.