Henry Alsberg

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Northbrook, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Polystyrene phonograph record injection molding compositions of imp...
- Patent number 4,176,104
- Issue date Nov 27, 1979
- The Richardson Company
- Henry Alsberg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High impact polymer and process for its production
- Patent number 4,115,478
- Issue date Sep 19, 1978
- Richardson Corporation
- Henry Alsberg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phonographic record molding composition
- Patent number 4,088,617
- Issue date May 9, 1978
- The Richardson Company
- Dale Skalla
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Floor finish composition and components thereof
- Patent number 4,046,726
- Issue date Sep 6, 1977
- The Richardson Company
- Roger D. Meiner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...