Granted Patent
Utility
US 4,618,978 · App. 06/544,090
Means for localizing target coordinates in a body relative to a guidance system reference frame in any arbitrary plane as viewed by a tomographic image through the body
Inventor:
Eric R. Cosman
Patented Case
View Patent ↗
Granted: Oct 21, 1986
Filed: Oct 21, 1983
Inventor
Eric R. Cosman
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.