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 9,909,231
- Issue date Mar 6, 2018
- HEMLOCK SEMICONDUCTOR OPERATIONS LLC
- Arvid Neil Arvidson
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Flowable chips and methods for the preparation and use of same, and...
- Patent number 8,926,749
- Issue date Jan 6, 2015
- Hemlock Semi Conductor
- Arvid Neil Arvidson
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
Flowable Chips and Methods for the Preparation and Use of Same, and...
- Publication number 20150090178
- Publication date Apr 2, 2015
- ARVID NEIL ARVIDSON
- C30 - CRYSTAL GROWTH
Information Patent Application
Roll crusher to produce high purity polycrystalline silicon chips
- Publication number 20060070569
- Publication date Apr 6, 2006
- Douglas Andrejewski
- C30 - CRYSTAL GROWTH
Information Patent Application
Flowable chips and methods for the preparation and use of same, and...
- Publication number 20030159647
- Publication date Aug 28, 2003
- Arvid Neil Arvidson
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING