Granted Patent
Utility
US 6,324,721 · App. 09/727,602
Leaf blower
Inventor:
Gustaf Doragrip
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Dec 1, 2000
Inventor
Gustaf Doragrip
Assignee (at issue)
Aktiebolaget Electrolux
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.