David A. Cogar — 1 Patent at Shell Oil Compny

David A. Cogar has been granted 1 US patent while listed as an inventor at Shell Oil Compny. All of these patents were granted in 2007. David A. Cogar ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David A. Cogar in Falls Church, VA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7171426	Hazard communication system	Janice Lynn Farmer, Patsy Mask Hill, Greg Dietz, Gertrude Companion, Matthew C. Finkelstein +3 more	2007-01-30

David A. Cogar — 1 Patent

Issued Patents All Time

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