Granted Patent
Utility
US 5,690,716 · App. 08/390,732
Thermal spray powder
Inventor:
Sanjay Sampath
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Feb 17, 1995
Inventor
Sanjay Sampath
Assignee (at issue)
OSRAM SYLVANIA 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.