Granted Patent
Utility
US 4,887,323 · App. 07/272,636
Bathtub hand rail
Inventors:
Fred DiVito, Christopher I. Beal
Patented Case
View Patent ↗
Granted: Dec 19, 1989
Filed: Nov 17, 1988
Inventors
Fred DiVito
Christopher I. Beal
Assignee (at issue)
Lumex, 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.