Granted Patent
Utility
US 6,441,896 · App. 09/432,625
Method and apparatus for measuring spatial uniformity of radiation
Inventor:
Halden Field
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Dec 17, 1999
Inventor
Halden Field
Assignee (at issue)
Midwest Research Institute, 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.