Friedrich Mayerhofer

Follow

Person

Lengnau, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Process and means for the manufacture of zip fasteners
- Patent number 5,079,820
- Issue date Jan 14, 1992
- Saurer First Tech-Products Ltd.
- Friedrich Mayerhofer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for the manufacture of zip fasteners
- Patent number 5,054,183
- Issue date Oct 8, 1991
- Saurer First Tech-Products Ltd.
- Friedrich Mayerhofer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Means for the manufacture of zip fasteners
- Patent number 4,979,288
- Issue date Dec 25, 1990
- First Tech
- Friedrich Mayerhofer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Locking slider for slide fastener and method of production thereof
- Patent number 4,615,083
- Issue date Oct 7, 1986
- Speedomatic AG
- Friedrich Mayerhofer
- A44 - HABERDASHERY JEWELLERY