Granted Patent
Utility
US 5,654,535 · App. 08/666,748
Cytological system autofocus integrity checking apparatus
Inventors:
William E. Ortyn, Jon W. Hayenga, Louis R. Piloco
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: Jun 19, 1996
Inventors
William E. Ortyn
Jon W. Hayenga
Louis R. Piloco
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.