GM, Chrysler Part Maker Sued Over Engine Patents

Law360 (November 1, 2007, 12:00 AM EDT) -- Automotive-parts manufacturer MacLean Fogg Co. has revved up its rivalry with Eaton Corp. by filing an infringement lawsuit over 14 engine part patents.

Mundelein, Ill.-based MacLean-Fogg filed the suit on Wednesday in a Texas federal court against Eaton for manufacturing and selling allegedly infringing products used in vehicles from General Motors Corp. and Chrysler LLC.

Cleveland, Oh.-based Eaton manufactures and sells valve lifter assemblies, valve lifter bodies and associated components to automobile manufacturers which then incorporate the products into car engines. For instance, MacLean-Fogg said the...
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