Cornelis E. Van Berkel

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1422 BG Uithoorn, NL

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Patents Grantslast 30 patents

Information Patent Grant
Device for positioning a means of fixing consisting of a screw and...
- Patent number 4,817,275
- Issue date Apr 4, 1989
- Cornelis E. Van Berkel
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Method for manufacturing a stack of supporting plates
- Patent number 4,787,235
- Issue date Nov 29, 1988
- Cornelis E. Van Berkel
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...