Donald Wentworth

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Tufnell Park, EN

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Patents Grantslast 30 patents

Information Patent Grant
Seals for rotating shafts, especially for stern tube seals for ships
- Patent number 4,008,897
- Issue date Feb 22, 1977
- Howaldtswerke-Deutsche Werft Aktiengesellschaft Hamburg und Kiel
- Donald Wentworth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...