JL

John C. Layman

Delphi Technologies: 4 patents #801 of 4,124Top 20%
General Motors: 1 patents #9,361 of 18,328Top 55%
Overall (All Time): #1,037,011 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6871496 Adjustable dual center port compensation for master cylinder Michel Vermoesen, Byengsu Kim 2005-03-29
6766644 Master cylinder with by-pass function and proportioning valve Michel Vermoesen, Byengsu Kim 2004-07-27
6619039 Brake master cylinder-sensor system and method James William Zehnder, II, Alan H. Green, Elaine A. Ruble, Schuyler S. Shaw 2003-09-16
6549126 Dry interface corner actuator single sensor for lining wear and low reservoir detection John Benjamin Hageman, Paul Rymoff, Ernst Baumgartner 2003-04-15
5025628 Master cylinder reservoir diaphragm venting arrangement Cecil C. Pugh 1991-06-25