Granted Patent
Utility
US 5,772,861 · App. 08/541,201
System for evaluating thin film coatings
Inventors:
William A. Meredith, Jr., Charles C. Gammans, Kelly R. Clayton, Erik J. Bjornard, Kim D. Powers
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Oct 16, 1995
Inventors
William A. Meredith, Jr.
Charles C. Gammans
Kelly R. Clayton
Erik J. Bjornard
Kim D. Powers
Assignee (at issue)
Viratec Thin Films, 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.