Granted Patent
Utility
US 4,926,087 · App. 07/278,982
Cavity discharge igniter
Inventors:
Chandra M. Kler, Jagdevinder Singh Hanspal
Patented Case
View Patent ↗
Granted: May 15, 1990
Filed: Dec 2, 1988
Inventors
Chandra M. Kler
Jagdevinder Singh Hanspal
Assignee (at issue)
Smiths Industries Public Limited 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.