Roger Dale Spencer, JR.

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Midland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Flowable chips and methods for the preparation and use of same, and...
- Patent number 8,021,483
- Issue date Sep 20, 2011
- Hemlock Semiconductor Corporation
- Arvid Neil Arvidson
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Roll crusher to produce high purity polycrystalline silicon chips
- Patent number 7,270,706
- Issue date Sep 18, 2007
- Dow Corning Corporation
- Douglas Andrejewski
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

Information Patent Application
Flowable Chips and Methods for the Preparation and Use of Same, and...
- Publication number 20110286906
- Publication date Nov 24, 2011
- Arvid Neil Arvidson
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING