John B. Riester — 3 Patents at Conoco

John B. Riester has been granted 3 US patents while listed as an inventor at Conoco. The first was granted in 1986 and the most recent in September 1988. John B. Riester ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John B. Riester in Morgantown, WV, US.

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Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4773520	Steering apparatus for a tramming conveyor	Richard E. Doerr	1988-09-27	$10,212,000
4708395	Remotely sensing of excavation cavity during mining	Eston F. Petry	1987-11-24
H23	Dust control on long wall shearing machines	David M. Miller, Lloyd E. Postlethwait	1986-02-04

John B. Riester — 3 Patents

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