Donald M. Hatch

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Huntington Beach, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
High temperature consolidation process
- Patent number 4,409,048
- Issue date Oct 11, 1983
- Hitco
- Donald M. Hatch
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
High temperature consolidation process for the production of a subs...
- Patent number 4,166,145
- Issue date Aug 28, 1979
- Hitco
- Donald M. Hatch
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Structural sound absorbing panel for underwater use and methods of...
- Patent number 4,083,159
- Issue date Apr 11, 1978
- Hitco
- Donald M. Hatch
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Multi-ply woven article having stiffening elements between double p...
- Patent number 3,965,942
- Issue date Jun 29, 1976
- Hitco
- Donald M. Hatch
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making woven acoustical panel
- Patent number 3,966,522
- Issue date Jun 29, 1976
- Hitco
- Donald M. Hatch
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multi-ply woven article having acoustical elements between double p...
- Patent number 3,966,013
- Issue date Jun 29, 1976
- Hitco
- Donald M. Hatch
- E04 - BUILDING