Granted Patent
Utility
US 6,792,897 · App. 10/266,469
Soundproofed engine generator
Inventors:
Masaaki Higuchi, Shinichi Okazaki
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Oct 8, 2002
Inventors
Masaaki Higuchi
Shinichi Okazaki
Assignee (at issue)
Fuji Jukogyo Kabushiki Kaisha
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.