Granted Patent
Utility
US 4,805,354 · App. 07/053,559
Apparatus and method for lapping an edge surface of an object
Inventor:
Vito N. Rossi
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: May 21, 1987
Inventor
Vito N. Rossi
Assignee (at issue)
General Electric 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.