Granted Patent
Utility
US 5,017,439 · App. 07/382,098
Micro-contamination-free coating for die-cast component in magnetic disk drive
Inventors:
Amarjit S. Brar, Prativadi B. Narayan
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Jul 19, 1989
Inventors
Amarjit S. Brar
Prativadi B. Narayan
Assignee (at issue)
Seagate Technology 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.