Ian J. Duncan

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St. Blasien, DE

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Patents Grantslast 30 patents

Information Patent Grant
Device to take up refuse by vacuum intake air
- Patent number 4,395,794
- Issue date Aug 2, 1983
- Ing. Alfred Schmidt GmbH
- Ian J. Duncan
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...