Granted Patent
Utility
US 5,303,281 · App. 07/910,932
Mammography method and improved mammography X-ray tube
Inventors:
Thomas J. Koller, Robert C. Treseder
Patented Case
View Patent ↗
Granted: Apr 12, 1994
Filed: Jul 9, 1992
Inventors
Thomas J. Koller
Robert C. Treseder
Assignee (at issue)
Varian, 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.