Granted Patent
Utility
US 6,702,067 · App. 09/972,394
Piston compressor, particularly hermetically enclosed refrigerant compressor
Inventors:
Frank Holm Iversen, Preben Bjerre
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Oct 5, 2001
Inventors
Frank Holm Iversen
Preben Bjerre
Assignee (at issue)
Danfoss Compressors 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.