Granted Patent
Utility
US 6,575,708 · App. 09/951,248
Compressor head with improved oil retention
Inventor:
Bradley Dewispelaere
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Sep 13, 2001
Inventor
Bradley Dewispelaere
Assignee (at issue)
Delphi Technologies
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.