Granted Patent
Utility
US 6,069,432 · App. 09/182,544
Rotor structure
Inventors:
Neil N. Norell, Mark E. Baer
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Oct 29, 1998
Inventors
Neil N. Norell
Mark E. Baer
Assignee (at issue)
SHOP VAC CORPORATION
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.