Granted Patent
Utility
US 5,187,028 · App. 07/843,345
Nickel-hydrogen cells
Inventors:
Howard H. Rogers, Richard P. Sernka, Steven J. Stadnick
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Feb 28, 1992
Inventors
Howard H. Rogers
Richard P. Sernka
Steven J. Stadnick
Assignee (at issue)
Hughes Aircraft Company
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.