Granted Patent
Utility
US 5,474,097 · App. 08/150,523
Scale removal and disposal system and method
Inventors:
David Lowe, Alan L. McArthur, Mark A. Major
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Nov 10, 1993
Inventors
David Lowe
Alan L. McArthur
Mark A. Major
Assignees (at issue)
Atlantic Richfield Company
The Standard Oil Company
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.