Granted Patent
Utility
US 6,059,445 · App. 09/058,224
Mixing appliance
Inventors:
Robert A. St John, John McNair, Wong Man Bun, Siu Kwai Keung
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Apr 10, 1998
Inventors
Robert A. St John
John McNair
Wong Man Bun
Siu Kwai Keung
Assignee (at issue)
HP Intellectual Corp.
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.