Granted Patent
Utility
US 4,374,173 · App. 06/212,781
Composite powders sprayable to form abradable seal coatings
Inventor:
Emilija Adamovic
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Dec 4, 1980
Inventor
Emilija Adamovic
Assignee (at issue)
Sherritt Gordon Mines Limited
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.