Granted Patent
Utility
US 5,444,947 · App. 08/015,605
Foundation vent
Inventor:
Barry Miller
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Feb 9, 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.