David J. Hatgas

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Dublin, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Composite roof structures prepared using one-part moisture curing p...
- Patent number RE39764
- Issue date Aug 14, 2007
- Ashland, Inc.
- David J. Hatgas
- 052 - Static structures
Information Patent Grant
Composite roof structures prepared using one-part moisture curing p...
- Patent number 6,305,143
- Issue date Oct 23, 2001
- Ashland Inc.
- Roger L. Streets
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Tip for a dispenser of caulking, adhesive or sealant
- Patent number D333955
- Issue date Mar 16, 1993
- Ashland Oil, Inc.
- David J. Hatgas
- D08 - Tools and hardware