Granted Patent
Utility
US 5,276,348 · App. 07/895,798
Dot matrix pattern on photosensitive semi-conductor surface
Inventor:
Shawn J. Fagen
Patented Case
View Patent ↗
Granted: Jan 4, 1994
Filed: Jun 9, 1992
Inventor
Shawn J. Fagen
Assignee (at issue)
Advanced Photonix, 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.