Granted Patent
Utility
US 5,905,098 · App. 09/184,601
Process for producing low density polethylenic foam with atmospheric gases and polyglyols or polygycol ehters
Inventors:
Gary R. Wilkes, Harris A. Dunbar, Kim A. Bly, Eugene R. Uhl
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Nov 2, 1998
Inventors
Gary R. Wilkes
Harris A. Dunbar
Kim A. Bly
Eugene R. Uhl
Assignee (at issue)
Tenneco Protective 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.