Granted Patent
Utility
US 5,494,718 · App. 08/182,896
Rigidizer for plastic vessels
Inventors:
Susan K. Adams, M. Timothy Chernock, Martin Warchola, Martin E. Woods
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Jan 18, 1994
Inventors
Susan K. Adams
M. Timothy Chernock
Martin Warchola
Martin E. Woods
Assignee (at issue)
The Geon 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.