Granted Patent
Utility
US 5,507,151 · App. 08/389,519
Noise reduction in screw compressor-based refrigeration systems
Inventors:
H. Kenneth Ring, Martin J. Scholze
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Feb 16, 1995
Inventors
H. Kenneth Ring
Martin J. Scholze
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.