Robert Cramer

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Richmond, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for co-extruding multi color plastics
- Patent number 7,381,357
- Issue date Jun 3, 2008
- Primex Plastics Corporation
- Robert Cramer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus and method for co-extruding multi color plastics
- Patent number 6,932,591
- Issue date Aug 23, 2005
- Primex Plastics Corporation
- Robert Cramer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Coextruded multi color plastic sheets
- Patent number 6,863,967
- Issue date Mar 8, 2005
- Primex Plastics Corporation
- Robert Cramer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for co-extruding multi color plastics
- Publication number 20030203176
- Publication date Oct 30, 2003
- Primex Plastics Corporation
- Robert Cramer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Apparatus and method for co-extruding multi color plastics
- Publication number 20030203177
- Publication date Oct 30, 2003
- Primex Plastics Corporation
- Robert Cramer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Apparatus and method for co-extruding multi color plastics
- Publication number 20030003283
- Publication date Jan 2, 2003
- Primex Plastics Corporation
- Robert Cramer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL