Granted Patent
Utility
US 6,539,976 · App. 10/099,419
Water hammer arrester
Inventor:
Michael J. Whiteside
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Mar 15, 2002
Inventor
Michael J. Whiteside
Assignee (at issue)
MIFAB, 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.