Granted Patent
Utility
US 6,408,637 · App. 09/430,842
Apparatus and method for recovering and recycling refrigerant
Inventors:
Arnold M. Hanson, Badr Alossaimi, Thomas D. Chandler
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Nov 1, 1999
Inventors
Arnold M. Hanson
Badr Alossaimi
Thomas D. Chandler
Assignee (at issue)
Scepter Manufacturing, LLC.
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.