Granted Patent
Utility
US 6,349,921 · App. 09/609,676
Institutional flush valve operating system
Inventor:
Peter Jährling
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Jul 3, 2000
Inventor
Peter Jährling
Assignee (at issue)
Sloan Valve Company
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.