Granted Patent
Utility
US 6,471,071 · App. 09/566,749
Universal grommet seal for spin-on type filters
Inventors:
Megan E. Shoaf, Richard J. Berkey
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: May 9, 2000
Inventors
Megan E. Shoaf
Richard J. Berkey
Assignee (at issue)
HONEYWELL INTERNATIONAL INC.
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.