David Keith — 3 Patents at Alcon Research

David Keith has been granted 3 US patents while listed as an inventor at Alcon Research. The first was granted in 1988 and the most recent in March 2013. David Keith ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David Keith in Endicott, NY, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8388941	Self preserved aqueous pharmaceutical compositions	Masood A. Chowhan	2013-03-05
7990600	Transmissive, optically addressed, photosensitive spatial light modulators and color display systems incorporating same	Jonathan A. Sachs, Howard V. Goetz, Lin Li, Steven Howard Linn, Alexander S. Parfenov +4 more	2011-08-02
4760423	Apparatus and method for reducing hydrocarbon emissions from a liquid-based electrophotographic copying machine	Bruce E. Holtje, Ming L. Fe, James M. Halbert	1988-07-26	$428,000

David Keith — 3 Patents

Issued Patents All Time

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