Douglas Hahn

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Virginia Beach, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for containing and delivering protective materi...
- Patent number 6,579,136
- Issue date Jun 17, 2003
- AB Volvo Penta
- Douglas Hahn
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Anti ingestion device
- Patent number 6,077,137
- Issue date Jun 20, 2000
- Volvo Penta of the Americas, Inc.
- Douglas E. Hahn
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
BARREL-TYPE INTERNAL COMBUSTION ENGINE AND/OR PISTON ACTUATED COMPR...
- Publication number 20110232600
- Publication date Sep 29, 2011
- DOUGLAS EDWARD HAHN
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SYSTEMS AND METHODS FOR CONTAINING AND DELIVERING PROTECTIVE MATERI...
- Publication number 20030114053
- Publication date Jun 19, 2003
- Douglas Hahn
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT