David L. Chambers — 2 Patents at Otis Engineering

David L. Chambers has been granted 2 US patents while listed as an inventor at Otis Engineering. All of these patents were granted in 1987. David L. Chambers ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David L. Chambers in Garland, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4685522	Well production controller system	Glenn A. Dixon, Clark E. McCloskey, Woodrow D. Hawk, Oliver W. McCracken	1987-08-11	$15,663,000
4633954	Well production controller system	Glen A. Dixon, Clark E. McCloskey, Woodrow D. Hawk, Oliver W. McCracken	1987-01-06	$3,489,000

David L. Chambers — 2 Patents

Issued Patents All Time

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