Robert E. Piepenburg

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Ann Arbor, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of trimming unfired pottery using a turntable apparatus
- Patent number 8,309,014
- Issue date Nov 13, 2012
- Robert E. Piepenburg
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF TRIMMING UNFIRED POTTERY USING A TURNTABLE APPARATUS
- Publication number 20100044906
- Publication date Feb 25, 2010
- Robert E. Piepenburg
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Turntable apparatus for use in trimming unfired pottery, and method...
- Publication number 20080020084
- Publication date Jan 24, 2008
- Robert E. Piepenburg
- B28 - WORKING CEMENT, CLAY, OR STONE