Granted Patent
Utility
US 6,521,077 · App. 09/275,790
Method for insulating a cryogenic container
Inventors:
Kenneth James McGivern, Sr., David R. Barber, Kathleen Melanie Amm
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Mar 25, 1999
Inventors
Kenneth James McGivern, Sr.
David R. Barber
Kathleen Melanie Amm
Assignee (at issue)
Lydall, 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.