Gregory Siewert

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Durham, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Moulded boat hull with modular insert
- Patent number 5,787,836
- Issue date Aug 4, 1998
- Allied Logic Corporation
- George Blaisdell
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Moulded boat hull including transom reinforcing gussets
- Patent number 5,758,594
- Issue date Jun 2, 1998
- Allied Logic Corporation
- Gregory Siewert
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT