Frank R. Keith

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Gainesville, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for extruding mixtures of thermoplastic and t...
- Patent number 5,523,328
- Issue date Jun 4, 1996
- Renewed Materials Industries, Inc.
- James E. Rosenbaum
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for extruding mixtures of thermoplastic and thermoset mater...
- Patent number 5,312,573
- Issue date May 17, 1994
- Renewed Materials Industries, Inc.
- James E. Rosenbaum
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL