Adrianus R. C. Engelfriet

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Device for and method of providing marks on an object by means of e...
- Patent number 5,406,042
- Issue date Apr 11, 1995
- U.S. Philips Corporation
- Adrianus R. C. Engelfriet
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of producing a drawing die
- Patent number 4,392,397
- Issue date Jul 12, 1983
- U.S. Philips Corporation
- Adrianus R. C. Engelfriet
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...