Robert E. Wiegert

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Middletown, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
System for handling exhausted vermiculite cation exchange materials
- Patent number 4,387,021
- Issue date Jun 7, 1983
- Water Refining Company, Inc.
- Stephen H. Davis
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for removing alkalinity and hardness from waters
- Patent number 4,235,715
- Issue date Nov 25, 1980
- Water Refining Company, Inc.
- Robert E. Wiegert
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE