Granted Patent
Utility
US 6,684,513 · App. 09/515,421
Razor blade technology
Inventors:
Colin Clipstone, Steve S. Hahn, Neville Sonnenberg, Charles S. White, Andrew Zhuk
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Feb 29, 2000
Inventors
Colin Clipstone
Steve S. Hahn
Neville Sonnenberg
Charles S. White
Andrew Zhuk
Assignee (at issue)
The Gillette 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.