William A. Oswald

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Darien, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic microspheres
- Patent number 5,342,689
- Issue date Aug 30, 1994
- Pierce & Stevens Corporation
- George E. Melber
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for making dry microspheres
- Patent number 5,180,752
- Issue date Jan 19, 1993
- Pierce & Stevens Corporation
- George E. Melber
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Syntactic polymer foam compositions containing microsphere fillers
- Patent number 4,843,104
- Issue date Jun 27, 1989
- Pierce & Stevens
- George E. Melber
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thermoplastic microspheres
- Patent number 4,829,094
- Issue date May 9, 1989
- Pierce & Stevens Corp.
- George E. Melber
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Composition and process for drying and expanding microspheres
- Patent number 4,722,943
- Issue date Feb 2, 1988
- Pierce & Stevens Corporation
- George E. Melber
- B82 - NANO-TECHNOLOGY