Granted Patent
Utility
US 5,644,889 · App. 08/286,857
Remedial wall anchor system
Inventor:
Stephen Getz
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Aug 5, 1994
Inventor
Stephen Getz
Assignee (at issue)
Dur-O-Wal, 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.