Granted Patent
Utility
US 4,800,732 · App. 07/187,669
Refrigeration compressor with dual voltage hookup
Inventor:
Earl W. Newton
Patented Case
View Patent ↗
Granted: Jan 31, 1989
Filed: Apr 28, 1988
Inventor
Earl W. Newton
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.