Granted Patent
Utility
US 5,568,979 · App. 08/243,357
Closeable thermoplastic bag
Inventors:
Larry D. Fifer, Robert E. Hollenbeck, Mark F. Kozlowski, Richard E. Leone, Clifford H. Patridge
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: May 16, 1994
Inventors
Larry D. Fifer
Robert E. Hollenbeck
Mark F. Kozlowski
Richard E. Leone
Clifford H. Patridge
Assignee (at issue)
Tenneco Plastics Company
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.