Granted Patent
Utility
US 5,934,874 · App. 08/916,789
Coolable blade
Inventors:
Kenneth B. Hall, Bernhard Weigand
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Aug 25, 1997
Inventors
Kenneth B. Hall
Bernhard Weigand
Assignee (at issue)
Asea Brown Boveri, S.A.
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.