Granted Patent
Utility
US 5,467,568 · App. 08/179,852
Dimensional hip and ridge roofing panel
Inventor:
Frederick W. Sieling
Patented Case
View Patent ↗
Granted: Nov 21, 1995
Filed: Jan 11, 1994
Inventor
Frederick W. Sieling
Assignee (at issue)
Building Materials Corporation of America
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.