Granted Patent
Utility
US 6,012,483 · App. 09/061,728
Switch-over valve having pivot axle articulated closure wings
Inventor:
Uwe Beddies
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Apr 17, 1998
Inventor
Uwe Beddies
Assignee (at issue)
H. Meinecke AG
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.