Granted Patent
Utility
US 5,402,572 · App. 08/174,355
Apparatus and method for retrofitting a metal roof
Inventors:
Johnie Schulte, Leonard George
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Dec 28, 1993
Inventors
Johnie Schulte
Leonard George
Assignee (at issue)
NCI Building Systems, L.P.
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.