Granted Patent
Utility
US 4,540,382 · App. 06/546,259
Noise reduction coupling device for an electric motor pump
Inventor:
Robert K. Wilson
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Oct 28, 1983
Inventor
Robert K. Wilson
Assignee (at issue)
ALLIED CONSULTING, 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.