Granted Patent
Utility
US 6,762,880 · App. 09/789,888
Grating structures and methods of making the grating structures
Inventors:
Johan Holm, Henrik Madsen, Steen Weichel, Per Eld Ibsen, Bjarke Rose
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Feb 21, 2001
Inventors
Johan Holm
Henrik Madsen
Steen Weichel
Per Eld Ibsen
Bjarke Rose
Assignee (at issue)
Ibsen Photonics A/S
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.