Granted Patent
Utility
US 5,101,521 · App. 07/598,904
Bathtub assembly having contoured walls and accessories
Inventor:
Robin Levien
Patented Case
View Patent ↗
Granted: Apr 7, 1992
Filed: Oct 16, 1990
Inventor
Robin Levien
Assignee (at issue)
American Standard 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.