Granted Patent
Utility
US 5,247,772 · App. 07/927,842
Standing seam roofing panel
Inventor:
Percy Greenberg
Patented Case
View Patent ↗
Granted: Sep 28, 1993
Filed: Aug 10, 1992
Inventor
Percy Greenberg
Assignee (at issue)
CROWN HOLDINGS, LLC
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.