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James Riggs' Patents

 


"Method for Controlling H2/CO Ratio of In-Situ Coal Gasification Process," Oct. 1984, patent no. 4,476,927.

"Method for pH Control" with R.R. Rhinehart, July 1990, patent no. 4,940,551.

"Nonlinear Model Based Distillation Control," Nov 1993, with Martin Beauford and Jackie Watts, patent no. 5,260,865.