Granted Patent
Utility
US 5,423,607 · App. 08/188,344
Method for blending diverse blowing agents
Inventors:
Clifford Jones, John Baker
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Jan 27, 1994
Inventors
Clifford Jones
John Baker
Assignee (at issue)
Dolco Packaging Corp.
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.