David Robert Brown

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Terra Cotta, CA

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for removing threaded parts from plastic injection molds
- Patent number 6,390,800
- Issue date May 21, 2002
- Unique Mould Makers Limited
- David R. Brown
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Melt distribution arrangement for three level stack molds
- Patent number 5,846,472
- Issue date Dec 8, 1998
- Tradesco Mold Limited
- Henry Rozema
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multi-level stacked mold system
- Patent number 5,464,579
- Issue date Nov 7, 1995
- David Brown
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pin-less drool prevention system
- Patent number 5,458,843
- Issue date Oct 17, 1995
- Tradesco Mold Limited
- David Brown
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multi-level stacked mold system
- Patent number 5,229,145
- Issue date Jul 20, 1993
- David Brown
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL