Granted Patent
Utility
US 5,725,481 · App. 08/651,048
Method and apparatus for collecting vaginal fluid and exfoliated vaginal cells for diagnostic purposes
Inventors:
Robert L. Buck, William H. Fleming
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: May 17, 1996
Inventors
Robert L. Buck
William H. Fleming
Assignee (at issue)
A-Fem Medical Corporation
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.