Granted Patent
Utility
US 6,280,143 · App. 09/450,758
Blade for fluid pump
Inventors:
Darcy Parker, Wayne Ernest Conrad
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Nov 30, 1999
Inventors
Darcy Parker
Wayne Ernest Conrad
Assignee (at issue)
Fantom Technologies Inc.
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.