Granted Patent
Utility
US 4,664,586 · App. 06/673,813
Closure member handling system
Inventor:
Michele Vassalotti
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Nov 21, 1984
Inventor
Michele Vassalotti
Assignee (at issue)
EG&G Sealol, Inc.
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.