Granted Patent
Utility
US 6,358,028 · App. 09/418,489
Scroll compressor
Inventors:
Nobuo Abe, Hidenari Takada, Koichi Sekiguchi, Toshio Yamanaka, Shoichi Nakashima
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Oct 15, 1999
Inventors
Nobuo Abe
Hidenari Takada
Koichi Sekiguchi
Toshio Yamanaka
Shoichi Nakashima
Assignee (at issue)
HITACHI, 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.