Manfred Martens

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Hamburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing a partly transparent body with a color gradien...
- Patent number 9,873,551
- Issue date Jan 23, 2018
- Montblanc-Simplo GmbH
- Manfred Martens
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Method for producing a transparent body that incorporates an object
- Patent number 8,343,405
- Issue date Jan 1, 2013
- Montblanc-Simplo GmbH
- Dietmar Podszuweit
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Writing instrument
- Patent number D445454
- Issue date Jul 24, 2001
- Montblanc-Simplo GmbH
- Manfred Martens
- D19 - Office supplies
Information Patent Grant
Writing instrument
- Patent number D443643
- Issue date Jun 12, 2001
- Montblanc-Simplo GmbH
- Manfred Martens
- D19 - Office supplies

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING A PARTLY TRANSPARENT BODY WITH A COLOR GRADIEN...
- Publication number 20140353320
- Publication date Dec 4, 2014
- Montblanc-Simplo GmbH
- Manfred Martens
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Method for Producing a Transparent Body that Incorporates an Object
- Publication number 20090249608
- Publication date Oct 8, 2009
- Montblanc-Simplo GmbH
- Dietmar Podszuweit
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL