William D. Marriott — 2 Patents at Combustion Engineering

William D. Marriott has been granted 2 US patents while listed as an inventor at Combustion Engineering. The first was granted in 1993 and the most recent in July 1994. William D. Marriott ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William D. Marriott in Ellington, CT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5329956	Pneumatic operated valve stroke timing	Winslow K. Duff, Francis X. McDonald	1994-07-19
5253185	Valve diagnostic system including auxiliary transducer box	John H. Mutchler	1993-10-12

William D. Marriott — 2 Patents

Issued Patents All Time

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