Granted Patent
Utility
US 5,238,450 · App. 07/792,994
Air-permeable barrier for soffit vent
Inventor:
Martin J. Rotter
Patented Case
View Patent ↗
Granted: Aug 24, 1993
Filed: Nov 15, 1991
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.