Granted Patent
Utility
US 6,183,455 · App. 08/670,137
Biodegradable absorbent pads
Inventors:
Roland W. Gerstenberger, Robert L. Buck
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Jun 25, 1996
Inventors
Roland W. Gerstenberger
Robert L. Buck
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.