Granted Patent
Utility
US 5,240,746 · App. 07/811,873
System for performing related operations on workpieces
Inventor:
Mary O'Connell Litteral
Patented Case
View Patent ↗
Granted: Aug 31, 1993
Filed: Dec 19, 1991
Inventor
Mary O'Connell Litteral
Assignee (at issue)
DELCO ELECTRONICS CORPORATION
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.