Granted Patent
Utility
US 5,262,252 · App. 07/773,251
Welded pressure vessel for a metal oxide-hydrogen battery utilizing a flexible weld ring
Inventors:
Kenneth R. Jones, Paul J. Kaprelian
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: Oct 9, 1991
Inventors
Kenneth R. Jones
Paul J. Kaprelian
Assignee (at issue)
Globe-Union 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.