David Robert Kamperman

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Harmony, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Reduction of metal content of treated effluents
- Patent number 4,624,790
- Issue date Nov 25, 1986
- Lancy International, Inc.
- David R. Kamperman
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Automatic revitalization of sulfide processing and treatment solutions
- Patent number 4,405,462
- Issue date Sep 20, 1983
- Lancy International, Inc.
- David R. Kamperman
- G05 - CONTROLLING REGULATING
Information Patent Grant
Metal dissolution process
- Patent number 3,945,865
- Issue date Mar 23, 1976
- Dart Environment and Services Company
- David Robert Kamperman
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...