Granted Patent
Utility
US 6,190,514 · App. 09/001,146
Method for high scan sputter coating to produce coated, abrasion resistant press plates with reduced built-in thermal stress
Inventors:
Muyuan M. Ma, Jay T. Oliver
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Dec 30, 1997
Inventors
Muyuan M. Ma
Jay T. Oliver
Assignee (at issue)
Premark RWP Holdings, 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.