Inventor

CALLAHAN RICHARD E

US6 patents

⚠️ This page may combine multiple inventors who share the name “CALLAHAN RICHARD E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHAMPION SPARK PLUG CO

2 patents

US4032842AJun 28, 1977

Spark plug tester ignition system

CHAMPION SPARK PLUG CO37 citations89

US4307689ADec 29, 1981

Glow plug control circuit

CHAMPION SPARK PLUG CO22 citations77

FEDERAL MOGUL WORLD WIDE INC

2 patents

US7795791B2Sep 14, 2010

One piece shell high thread spark plug

FEDERAL MOGUL WORLD WIDE INC5 citations55

US7768183B2Aug 3, 2010

Extension spark plug

FEDERAL MOGUL WORLD WIDE INC3 citations52

FEDERAL MOGUL IGNITION CO

1 patent

US7825573B2Nov 2, 2010

14 mm extension spark plug

FEDERAL MOGUL IGNITION CO17 citations82

MILLER KEVIN L

1 patent

US8164241B2Apr 24, 2012

Extension-type spark plug

MILLER KEVIN L3 citations57