Granted Patent
Utility
US 5,455,550 · App. 08/236,948
Dual gap electromagnetic actuator having a bypassing pole gap and a variable pole gap
Inventors:
Thomas W. von Alten, Steven M. Johnson, Michael O. King
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: May 2, 1994
Inventors
Thomas W. von Alten
Steven M. Johnson
Michael O. King
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.