MH

Mark Alan Hartfield

LC Lutron Electronics Co.: 8 patents #101 of 433Top 25%
LE Leco: 1 patents #49 of 94Top 55%
Overall (All Time): #583,451 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7368916 Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps John F. Waymouth, Robert T. Nachtrieb, Farheen Khan, Mark S. Taipale, Renzo Corrado DeMeo +1 more 2008-05-06
7339322 Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps John F. Waymouth, Robert T. Nachtrieb, Farheen Khan, Mark S. Taipale, Renzo Corrado DeMeo +1 more 2008-03-04
7323877 Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps John F. Waymouth, Robert T. Nachtrieb, Farheen Khan, Mark S. Taipale, Renzo Corrado DeMeo +1 more 2008-01-29
7259519 Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps John F. Waymouth, Robert T. Nachtrieb, Farheen Khan, Mark S. Taipale, Renzo Corrado DeMeo +1 more 2007-08-21
7224124 Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps John F. Waymouth, Robert T. Nachtrieb, Farheen Khan, Mark S. Taipale, Renzo Corrado DeMeo +1 more 2007-05-29
7196476 Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps John F. Waymouth, Robert T. Nachtrieb, Farheen Khan, Mark S. Taipale, Renzo Corrado DeMeo +1 more 2007-03-27
7116055 Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps John F. Waymouth, Robert T. Nachtrieb, Farheen Khan, Mark S. Taipale, Renzo Corrado DeMeo +1 more 2006-10-03
7070738 Analyzer with variable volume ballast chamber and method of analysis Joel C. Mitchell, John T. Hoss 2006-07-04
7002301 Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps John F. Waymouth, Robert T. Nachtrieb, Farheen Khan, Mark S. Taipale, Renzo Corrado DeMeo +1 more 2006-02-21