Granted Patent
Utility
US 4,927,708 · App. 07/225,588
Flexible stretch/shrink film
Inventors:
Vincent W. Herran, George D. Wofford
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Jul 26, 1988
Inventors
Vincent W. Herran
George D. Wofford
Assignee (at issue)
W.R. Grace & Co. Conn.
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.