Harold L. Heller

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Narberth, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Poultice method for extracting hazardous spills
- Patent number 4,483,716
- Issue date Nov 20, 1984
- The Franklin Institute
- Harold L. Heller
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Method for the manufacture of coated calcium sulfate whisker fibers
- Patent number 3,961,105
- Issue date Jun 1, 1976
- Certain-teed Products Corporation
- James Joseph Eberl
- C30 - CRYSTAL GROWTH