Granted Patent
Utility
US 5,179,740 · App. 07/690,246
Encapsulated overflow system for sinks and the like
Inventors:
Ronald M. Marsilio, Karl G. Ohaus
Patented Case
View Patent ↗
Granted: Jan 19, 1993
Filed: Apr 24, 1991
Inventors
Ronald M. Marsilio
Karl G. Ohaus
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.