Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
GS

Gail M. Sylvester — 17 Patents

Delphi Technologies: 12 patents #195 of 4,124Top 5%
DEDelco Electronics: 5 patents #59 of 908Top 7%
Frankenmuth, MI: #11 of 98 inventorsTop 15%
Michigan: #5,015 of 86,293 inventorsTop 6%
Overall (All Time): #276,843 of 4,157,543Top 7%
17 Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
8977090 Contoured display David K. Lambert, Steven A. Liburdi, Dwadasi H. R. Sarma, Kris A. Stark 2015-03-10
8553334 Heads-up display system utilizing controlled reflections from a dashboard surface David K. Lambert, Frederick F. Kuhlman, Dwadasi H. R. Sarma, Kris R. Stark, Michel F. Sultan 2013-10-08
8092061 Pipe having light-redirecting channels Raymond Lippmann, Martin L. Adams 2012-01-10
7350934 Illuminated display system Raymond Lippmann, Michael E. Fye, Tim A. Kenworthy 2008-04-01
7350954 Display apparatus Chris R. Snider, Michael E. Fye, Raymond Lippmann 2008-04-01
7252400 Illuminated indicator Mark J. Clugston, David L. Brooks, Kenneth Perry, Randall J. Heidtman, Douglas A. Best 2007-08-07
7021811 Light distribution hub Raymond Lippmann, Michael E. Fye, Tim A. Kenworthy 2006-04-04
6905901 Method of manufacturing a cover of a backlit display using fluorescing materials Michael E. Fye, Paul A. Uglum, Ray Lippmann 2005-06-14
6741184 Pointer position detection using light emitting diodes Mark J. Miller, Raymond Lippmann, Ronald Kenneth Selby 2004-05-25
6623142 Method and apparatus for correcting optical non-uniformities in a light emitting diode Ray Lippmann, Mark J. Miller, Ronald Kenneth Selby 2003-09-23
6384592 Apparatus for minimizing angular rotor position errors in an air core gauge Raymond Lippmann, James E. Nelson 2002-05-07
6160596 Backlighting system for a liquid crystal display unit Raymond Lippmann, Mark J. Miller, Martin L. Adams 2000-12-12
5845598 Integrated gauge mechanism and light pipe David A. Ross, Ronald Kenneth Selby, Randall J. Heidtman 1998-12-08
5796324 Surface mount coil assembly David A. Ross, Ronald Kenneth Selby, Victor D. Kruppa 1998-08-18
5783939 Stepper motor gauge calibration by AC feedback Raymond Lippmann, Michael J. Schnars, Jeffrey Lynn Shepard, Ronald Kenneth Selby, James E. Nelson 1998-07-21
5665897 Method of calibrating and zeroing stepper motor gauges Raymond Lippmann, Ronald Kenneth Selby, James E. Nelson, Michael J. Schnars 1997-09-09
5463314 Gauge with magnetically fixed rest position Thomas Mueller 1995-10-31