Granted Patent
Utility
US 5,727,581 · App. 08/720,649
Dishwasher spray-arm assembly
Inventors:
Prabhat Kumar Tekriwal, Andrew Joseph Spanyer, Joseph Duane Tobbe, Dennis Lee Heinz
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Oct 2, 1996
Inventors
Prabhat Kumar Tekriwal
Andrew Joseph Spanyer
Joseph Duane Tobbe
Dennis Lee Heinz
Assignee (at issue)
General Electric 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.