Granted Patent
Utility
US 6,688,047 · App. 10/057,520
Snow retention apparatus and method of installation
Inventor:
John J. McNichol
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Jan 24, 2002
Inventor
John J. McNichol
Assignee (at issue)
Berger Financial Corp.
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.