Granted Patent
Utility
US 6,573,474 · App. 09/691,767
Process for drilling holes through a thermal barrier coating
Inventor:
Gary Loringer
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Oct 18, 2000
Inventor
Gary Loringer
Assignee (at issue)
Chromalloy Gas Turbine LLC
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.