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

David L. Plangger

GEGentex: 5 patents #149 of 567Top 30%
HIHeath Consultants Incorporated: 1 patents #23 of 44Top 55%
PNPackard Bell Nec: 1 patents #49 of 93Top 55%
Stevensville, MI: #82 of 246 inventorsTop 35%
Michigan: #13,574 of 86,293 inventorsTop 20%
Overall (All Time): #750,698 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7817020 Optical user interface system for automotive modules Robert R. Turnbull, David A. Blaker, Michael A. Bryson, G. Bruce Poe, Alan R. Watson 2010-10-19
7361875 Vehicle headlamp control utilizing a light sensor having at least two light transducers Jon H. Bechtel, Frederick T. Bauer, Joseph S. Stam, Robert C. Knapp, Robert R. Turnbull +5 more 2008-04-22
6861942 Directionally-adjustable antenna system using an outside mirror for automotive applications Robert C. Knapp, Robert R. Turnbull 2005-03-01
6742904 Vehicle equipment control with semiconductor light sensors Jon H. Bechtel, Frederick T. Bauer, Joseph S. Stam, Robert C. Knapp, Robert R. Turnbull +5 more 2004-06-01
6379013 Vehicle equipment control with semiconductor light sensors Jon H. Bechtel, Frederick T. Bauer, Joseph S. Stam, Robert C. Knapp, Robert R. Turnbull +5 more 2002-04-30
5793606 Removable LCD and stand assembly William R. Cubbage, Eric Fuhs, Peter A. Ojeda, John P. Wagner 1998-08-11
4582434 Time corrected, continuously updated clock Wayne K. Wilson 1986-04-15