Granted Patent
Utility
US 6,240,949 · App. 09/488,003
Three-way diverter valve
Inventor:
Gerald Ross Gerstenberger
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: Jan 20, 2000
Inventor
Gerald Ross Gerstenberger
Assignee (at issue)
Parker-Hannifin Corporation
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.