Granted Patent
Utility
US 5,487,767 · App. 08/380,316
Radially sealed air filters
Inventor:
Johnny M. Brown
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Jan 30, 1995
Inventor
Johnny M. Brown
Assignee (at issue)
DANA LIMITED
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.