Rolf Kramer

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Patents Grantslast 30 patents

Information Patent Grant
Globe valve construction
- Patent number 4,029,292
- Issue date Jun 14, 1977
- Eisenbahn-Verkehrsmittel AG
- Rolf Kramer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sliding wall arrangement for covered railroad freight cars
- Patent number 3,999,489
- Issue date Dec 28, 1976
- Waggon Union GmbH
- Rolf Kramer
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES