Granted Patent
Utility
US 6,550,141 · App. 09/626,194
Razor heads with intermediate guard elements
Inventors:
David F. Rivers, Andrew Pennella, Paul D. Richard
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Jul 28, 2000
Inventors
David F. Rivers
Andrew Pennella
Paul D. Richard
Assignee (at issue)
WARNER-LAMBERT COMPANY LLC
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.