Granted Patent
Utility
US 6,758,046 · App. 07/237,952
Slush hydrogen production method and apparatus
Inventors:
John A. Barclay, Steven R. Jaeger, Peter J. Claybaker, Carl Bruno Zimm, Steven F. Kral
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Aug 22, 1988
Inventors
John A. Barclay
Steven R. Jaeger
Peter J. Claybaker
Carl Bruno Zimm
Steven F. Kral
Assignee (at issue)
Astronautics Corporation of America
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.