Granted Patent
Utility
US 5,956,957 · App. 09/059,311
Cryostat apparatus
Inventors:
Jerald F. Lowry, Owen R. Christianson
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Apr 13, 1998
Inventors
Jerald F. Lowry
Owen R. Christianson
Assignee (at issue)
Siemens Westinghouse Power Corporation
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.