Granted Patent
Utility
US 5,326,318 · App. 08/110,893
Roof ridge ventilator
Inventor:
Martin J. Rotter
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Aug 24, 1993
Inventor
Martin J. Rotter
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.