Granted Patent
Utility
US 6,019,027 · App. 09/081,509
Refrigerant compressor
Inventors:
Shunichi Furuya, Hiroshi Kanai
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: May 20, 1998
Inventors
Shunichi Furuya
Hiroshi Kanai
Assignee (at issue)
Zexel GmbH
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.