Granted Patent
Utility
US 6,199,284 · App. 09/274,884
Metal shears with mechanical advantage
Inventors:
Thomas Nilsson, Håkan Bergkvist, Frederic Delaunay
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Mar 23, 1999
Inventors
Thomas Nilsson
Håkan Bergkvist
Frederic Delaunay
Assignee (at issue)
SANDVIK LTD
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.