Granted Patent
Utility
US 5,483,744 · App. 07/567,993
Method for fabricating a bearing with semi-rhythmic ball spacing
Inventor:
John Roberts
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Aug 16, 1990
Inventor
John Roberts
Assignee (at issue)
Hughes Aircraft Company
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.