Granted Patent
Utility
US 4,493,419 · App. 06/548,487
Thermoplastic bag and bag pack
Inventors:
Randolph D. Prader, Gordon L. Benoit, Robert T. Maddock
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Nov 3, 1983
Inventors
Randolph D. Prader
Gordon L. Benoit
Robert T. Maddock
Assignee (at issue)
Mobil Oil 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.