Steven A. Stringfellow — 12 Patents at General Motors

Steven A. Stringfellow has been granted 12 US patents while listed as an inventor at General Motors. The first was granted in 1990 and the most recent in August 2025. Steven A. Stringfellow ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Steven A. Stringfellow in Overland Park, KS, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12394199	Enhanced flight vision system	Alexander J. Litzau, Iain P. Gillan, Noah R. Larson, Ryan R. Johnson, Daniel J. Croft	2025-08-19
11428940	High-dimming-ratio avionics display	Iain P. Gillan, Ryan K. Eakin	2022-08-30	$100,215,000
8271161	Method and system for securely storing odometer information in an automobile	Terence L. Meehan, Kenneth M. Hromada, Kevin E. Fondaw	2012-09-18	$10,597,000
7936489	Holographic information display	Peter Brandt, Heiko Charle, Daniel SAHLBOM	2011-05-03	$19,207,000
7271960	Universal vehicle head up display (HUD) device and method for using the same	Robert J. Stewart, Michael Smith	2007-09-18
6359737	Combined head-up display	—	2002-03-19
5997161	Black light instrument cluster assembly	Peter L. Kalajian	1999-12-07
5486840	Head up display with incident light filter	Diego Borrego, Alan Greenland, Charles R. Allison, Robert A. Bordo	1996-01-23
5361165	Reflective cluster display with stowable viewing screen	John M. Zelenak	1994-11-01
5198936	Reflective cluster display	—	1993-03-30
5028119	Aircraft head-up display	Ronald G. Hegg, Mao-Jin Chern, Paul Christopher Norton, John Ferrer	1991-07-02
4973139	Automotive head-up display	Martin Weinhrauch, John Ferrer, Mao-Jin Chern, Ronald G. Hegg, Matthew J. Van Leeuwen +2 more	1990-11-27

Steven A. Stringfellow — 12 Patents

Issued Patents All Time

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