David L. Ehle has been granted 10 US patents while listed as an inventor at Nu-Tech & Engineering . The first was granted in 1994 and the most recent in November 2001. David L. Ehle ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David L. Ehle in Attica, MI, US.
Patents per Year Patents granted per year, 1994 to 2001 Bar chart with a peak of 3 patents in 2001. peak 3 1994: 1 patents 1994 1995: 2 patents 1995 1997: 2 patents 1997 1998: 1 patents 1998 2000: 1 patents 2000 2001: 3 patents 2001
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6323637 Miniature crossed coil gauge having an active flux ring John A. Ayres , Michael E. Salmon , Craig A. Ayres 2001-11-27
6278931 Motor vehicle cruise control with selectively updated integral gain Daniel A. Crawford , Joyce D. Carsey , Diana K. Voges , Michael G. Schuplin, JR. , Robert Harold Wind 2001-08-21
$7,829,000
6247569 Wrap spring clutch David M. McGuire 2001-06-19
$5,011,000
6046583 Miniature crossed coil gauge having an active flux ring John A. Ayres , Michael E. Salmon , Craig A. Ayres 2000-04-04
5825338 Instrument display method and system for passenger vehicle Michael E. Salmon , Jeffrey Gene Hovis 1998-10-20
5686832 Miniature crossed coil gauge having an active flux ring John A. Ayres , Michael E. Salmon , Craig A. Ayres 1997-11-11
5680024 Vehicle speed control with adaptive compliance compensation Lisa Marie Unuvar , Daniel A. Crawford , Timothy Lee Budzier , Susan Jean Lane 1997-10-21
5442338 Miniature telltale module John A. Ayres 1995-08-15
5406303 Instrument display method and system for passenger vehicle Michael E. Salmon , Jeffrey Gene Hovis 1995-04-11
5355373 Electric motor, controller therefor and methods for controlling and assembling same Michael E. Salmon , Jeffrey Gene Hovis 1994-10-11
