Thomas D. Gracik

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Glen Burnie, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Spinning filter separation system for oil spill clean-up operation
- Patent number 5,800,720
- Issue date Sep 1, 1998
- The United States of America as represented by the Secretary of the Navy
- John Wehrle
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Spinning filter separation system for oil spill clean-up operation
- Patent number 5,792,351
- Issue date Aug 11, 1998
- The United States of America as represented by the Secretary of the Navy
- John Wehrle
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Conducting polymer thermoelectric material and process of making same
- Patent number 5,472,519
- Issue date Dec 5, 1995
- The United States of America as represented by the Secretary of the Navy
- Barbara F. Howell
- H01 - BASIC ELECTRIC ELEMENTS