Granted Patent
Utility
US 4,349,739 · App. 06/172,885
Micro-calcification detection
Inventor:
Martin Annis
Patented Case
View Patent ↗
Granted: Sep 14, 1982
Filed: Jul 28, 1980
Inventor
Martin Annis
Assignee (at issue)
American Science and Engineering, 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.