Granted Patent
Utility
US 6,568,084 · App. 09/885,545
Razor blade cartridge with guard ribs
Inventors:
Gregory F. McCool, Jeffrey W. Wonderley
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Jun 21, 2001
Inventors
Gregory F. McCool
Jeffrey W. Wonderley
Assignee (at issue)
American Safety Razor
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.