Granted Patent
Utility
US 6,192,525 · App. 09/290,349
Household drain plunger
Inventor:
George Tash
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Apr 12, 1999
Inventor
George Tash
Assignee (at issue)
Tash Family Trust
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.