Hans Knopfel

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Roggwil, CH

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for forming a tube of pocket material and method for manu...
- Patent number 9,682,852
- Issue date Jun 20, 2017
- Spuhl AG
- Hans Knöpfel
- B68 - SADDLERY UPHOLSTERY
Information Patent Grant
Machine for punching out butterfly clips for fastening to a frame o...
- Patent number 5,042,124
- Issue date Aug 27, 1991
- Spuhl AG
- Hans Knopfel
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Apparatus For Forming A Tube of Pocket Material and Method For Manu...
- Publication number 20140318081
- Publication date Oct 30, 2014
- SPUHL AG
- Hans Knöpfel
- B68 - SADDLERY UPHOLSTERY