Electric lamp and discharge devices – Spark plugs – Particular electrode structure or spacing
Reexamination Certificate
2006-08-08
2010-12-14
Won, Bumsuk (Department: 2889)
Electric lamp and discharge devices
Spark plugs
Particular electrode structure or spacing
C313S142000, C313S143000, C445S007000
Reexamination Certificate
active
07851984
ABSTRACT:
A sparkplug having ground and/or center electrodes that include a firing tip formed by reflowing of an end of wire having an opposite end carried by a feed mechanism. The present invention also includes methods of manufacturing an ignition device and electrodes therefore having a firing tip, including providing a metal electrode having a firing tip region; providing a wire having a free end and another end carried by a feed mechanism; and reflowing the free end to form a firing tip.
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Klimpel, Lisie
Lineton Warran Boyd
Zdeblick William J.
Breval Elmito
Dickinson Wright PLLC
Federal-Mogul World Wide Inc.
Stearns Robert L.
Won Bumsuk
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