Granted Patent
Utility
US 5,401,150 · App. 08/202,378
Noise reduced liquid sealed compressor
Inventor:
Jeffrey Brown
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Feb 28, 1994
Inventor
Jeffrey Brown
Assignee (at issue)
Federal Signal Corporation
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.