Granted Patent
Utility
US 6,567,588 · App. 09/940,947
Method for fabricating chirped fiber bragg gratings
Inventor:
James Owen Unruh
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Aug 28, 2001
Inventor
James Owen Unruh
Assignee (at issue)
PHOTRONICS, 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.