Granted Patent
Utility
US 6,645,598 · App. 10/103,636
Cell insulation blanket with phase change material, and method of making
Inventor:
Robert J. Alderman
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Mar 21, 2002
Inventor
Robert J. Alderman
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.