Granted Patent
Utility
US 5,850,425 · App. 08/845,211
X-ray optics, especially for phase contrast
Inventor:
Stephen William Wilkins
Patented Case
View Patent ↗
Granted: Dec 15, 1998
Filed: Apr 21, 1997
Inventor
Stephen William Wilkins
Assignee (at issue)
Commonwealth Scientific and Industrial Research Organisation
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.