Granted Patent
Utility
US 4,677,007 · App. 06/797,918
Thermoplastic sack
Inventor:
Charles R. Murray
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Nov 14, 1985
Inventor
Charles R. Murray
Assignee (at issue)
C-I-L, 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.