Granted Patent
Utility
US 4,570,568 · App. 06/684,414
Shroud for thermally sprayed workpiece
Inventor:
Jack E. Fair
Patented Case
View Patent ↗
Granted: Feb 18, 1986
Filed: Dec 20, 1984
Inventor
Jack E. Fair
Assignee (at issue)
Caterpillar Tractor Co.
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.