Granted Patent
Utility
US 6,511,548 · App. 09/675,486
Method and apparatus for delivering fragrance using a floor care device
Inventors:
David I. Oreck, Bruce Kiern
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Sep 29, 2000
Inventors
David I. Oreck
Bruce Kiern
Assignee (at issue)
Oreck Holdings, LLC
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.