Willard E. Alexander

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Midland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for packaging
- Patent number 4,713,927
- Issue date Dec 22, 1987
- The Dow Chemical Company
- Louis C. Rubens
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and apparatus for the preparation of foamed thermoplastic ar...
- Patent number 4,693,856
- Issue date Sep 15, 1987
- The Dow Chemical Company
- Louis C. Rubens
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Expandable synthetic resinous thermoplastic particles, method for t...
- Patent number 4,485,193
- Issue date Nov 27, 1984
- The Dow Chemical Company
- Louis C. Rubens
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Molding expandable thermoplastic resins
- Patent number 4,108,934
- Issue date Aug 22, 1978
- The Dow Chemical Company
- Louis C. Rubens
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL