Hans-Joachim Schaefer

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D-6380 Bad Homburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Convertible sports device
- Patent number 4,333,249
- Issue date Jun 8, 1982
- Hans-Joachim Schaefer
- A43 - FOOTWEAR
Information Patent Grant
Fruit knife
- Patent number 4,215,471
- Issue date Aug 5, 1980
- Hans-Joachim Schaefer
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Convertible sports shoe
- Patent number 4,114,295
- Issue date Sep 19, 1978
- Hans-Joachim Schaefer
- A43 - FOOTWEAR