Granted Patent
Utility
US 4,840,545 · App. 07/194,271
Scroll compressor relief valve
Inventor:
John R. Moilanen
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: May 16, 1988
Inventor
John R. Moilanen
Assignee (at issue)
American Standard Inc.
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.