Granted Patent
Utility
US 4,944,734 · App. 07/371,210
Biodegradable incontinence device with embedded granules
Inventor:
Donald F. H. Wallach
Patented Case
View Patent ↗
Granted: Jul 31, 1990
Filed: Jun 26, 1989
Inventor
Donald F. H. Wallach
Assignee (at issue)
Micro Vesicular Systems, 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.