Granted Patent
Utility
US 6,709,790 · App. 08/581,888
Method and apparatus for generating periodic structures in substrates by synthetic wavelength holograph exposure
Inventor:
Edward J. Gratrix
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Jan 2, 1996
Inventor
Edward J. Gratrix
Assignee (at issue)
GOODRICH CORPORATION
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.