Granted Patent
Utility
US 5,709,641 · App. 08/624,817
Thermoplastic bag structure
Inventor:
Edward Vaquero
Patented Case
View Patent ↗
Granted: Jan 20, 1998
Filed: Mar 26, 1996
Inventor
Edward Vaquero
Assignee (at issue)
Tenneco Packaging 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.