Virgil W. Coomer

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Shepherd, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for injection molding a ceramic greenware composite witho...
- Patent number 5,194,268
- Issue date Mar 16, 1993
- The Dow Chemical Company
- Norbert L. Bradley
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of injection molding ceramic greenward composites without kn...
- Patent number 5,098,620
- Issue date Mar 24, 1992
- The Dow Chemical Company
- Norbert L. Bradley
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of making a polymeric optical waveguide by coextrusion
- Patent number 4,871,487
- Issue date Oct 3, 1989
- The Dow Chemical Company
- Larry J. Laursen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making a hollow light pipe
- Patent number 4,806,289
- Issue date Feb 21, 1989
- The Dow Chemical Company
- Larry J. Laursen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL