Granted Patent
Utility
US 5,496,213 · App. 08/156,412
Foundation vent
Inventor:
Barry Miller
Patented Case
View Patent ↗
Granted: Mar 5, 1996
Filed: Nov 22, 1993
Inventor
Barry Miller
Assignee (at issue)
Noll Manufacturing Co.
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.