David M. Walba — 33 Patents at Displaytech

David M. Walba has been granted 33 US patents while listed as an inventor at Displaytech. The first was granted in 1985 and the most recent in November 2015. David M. Walba ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list David M. Walba in Boulder, CO, US.

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9187500	Liquid crystal devices for information display and photonics applications	—	2015-11-17
8963140	Organic photovotaics	—	2015-02-24
7682521	Aligned liquid crystal thin films and glasses	—	2010-03-23
7374948	Methods and apparatus for detection of molecular chirality	Noel A. Clark	2008-05-20
6870163	Ferroelectric liquid crystal devices using materials with a de Vries smectic A phase	Jiuzhi Xue	2005-03-22
6569504	Mesogenic materials with anomalous birefringence dispersion and high second order susceptibility (X(2))	Daniel Dyer, Uwe Muller, Peter Cobben, Xin Chen, William N. Thurmes +1 more	2003-05-27
6139771	Mesogenic materials with anomalous birefringence dispersion and high second order susceptibility (X.sup.(2)).	Daniel Dyer, Uwe Muller, Peter Cobben, Xin Chen, William N. Thurmes +1 more	2000-10-31	$213,000
5866036	High tilt ferroelectric liquid crystal compounds and compositions	Michael Wand, Rohini Vohra, Sean D. Monahan	1999-02-02	$373,000
5658493	Ferroelectric liquid crystals for nonlinear optics applications	Maria B. Ros, James A. Rego, Teresa Sierra	1997-08-19
5637256	Ferroelectric liquid crystals for nonlinear optics applications	Maria B. Ros, James A. Rego, Teresa Sierra	1997-06-10
5596434	Self-assembled monolayers for liquid crystal alignment	Charles A. Liberko	1997-01-21
5543078	Ferroelectric liquid crystals for nonlinear optics applications	Maria B. Ros, James A. Rego, Teresa Sierra	1996-08-06
5422037	Ferroelectric liquid crystal compounds containing halogenated cores and chiral haloalkoxy tail units	Michael Wand, Rohini Vohra	1995-06-06	$83,000
5380460	Ferroelectric liquid crystal compounds containing chiral haloalkoxy tail units and compositions containing them	Michael Wand, William N. Thurmes	1995-01-10	$33,000
RE34726	Ferroelectric liquid crystal compositions containing chiral haloalkoxy tail units	Michael Wand, William N. Thurmes	1994-09-13
5180520	Ferroelectric liquid crystal compositions containing halogenated cores and chiral halogenated cores and chiral haloalkoxy tail units	Michael Wand, Rohini Vohra	1993-01-19
5178793	Ferroelectric liquid crystal compounds and compositions	Rohini Vohra, Michael Wand	1993-01-12
5167855	Ferroelectric liquid crystal compositions chiral haloalkoxy tail units	Michael Wand, Rohini Vohra	1992-12-01
5168381	Smectic liquid crystal devices using SSFLC and electroclinic effect based cells	—	1992-12-01
5145601	Ferroelectric liquid crystals with nicotinic acid cores	Bengt Otterholm	1992-09-08
5138010	Fast switching polysiloxane ferroelectric liquid crystals	Patrick Keller	1992-08-11
5130048	Ferroelectric liquid crystal compositions containing chiral haloalkoxy tails units	Michael Wand, William N. Thurmes	1992-07-14
5061814	High tilt ferroelectric liquid crystal compounds and compositions	Michael Wand, Rohini Vohra	1991-10-29
5051506	Ferroelectric liquid crystal compounds containing chiral haloalkyoxy tail units and compositions containing them	Michael Wand	1991-09-24
4835295	Ferroelectric liquid crystal compounds and compositions	Homaune A. Razavi	1989-05-30

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David M. Walba — 33 Patents

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