Granted Patent
Utility
US 6,725,562 · App. 10/170,794
Hairdryer
Inventors:
Takashi Nakagawa, Takahiro Kumode
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Jun 12, 2002
Inventors
Takashi Nakagawa
Takahiro Kumode
Assignee (at issue)
Matsushita Electric Works, Ltd.
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.