Granted Patent
Utility
US 5,834,640 · App. 08/513,512
Powder metal alloy process
Inventors:
Rohith Shivanath, Peter Jones
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Aug 10, 1995
Inventors
Rohith Shivanath
Peter Jones
Assignee (at issue)
Stackpole & Associates, Inc.
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.