Granted Patent
Utility
US 6,011,861 · App. 08/911,612
Cytological system illumination integrity checking apparatus and method
Inventors:
William E. Ortyn, Louis R. Piloco, Jon W. Hayenga
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Aug 15, 1997
Inventors
William E. Ortyn
Louis R. Piloco
Jon W. Hayenga
Assignee (at issue)
Neopath, 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.