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A & H Engineering Corporation Patents
A & H Engineering Corporation
Hinsdale, IL
No. of patents:

Patent Number Title Of Patent Date Issued
3978673 Method of disposing of liquid waste September 7, 1976
A method is provided which permits incorporating large quantities of pumpable liquid wastes in the form of sludges, slimes and slurries, in the surface of the earth. The method involves the steps of continuously excavating earth from one region and transporting it to and depositing it

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