Granted Patent
Utility
US 6,035,484 · App. 08/919,433
H.V.A.C. duct cleaning system compressor
Inventor:
Edward A. Jones
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Aug 27, 1997
Inventor
Edward A. Jones
Assignee (at issue)
Industrial Zurich USA, Ltd.
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.