Robert W. Keyes

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Corbin, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for automatically unloading brick from kiln ca...
- Patent number 7,070,384
- Issue date Jul 4, 2006
- General Shale Products, LLC
- Robert W. Keyes
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus for providing aging effect for brick
- Patent number 6,793,476
- Issue date Sep 21, 2004
- General Shale Products LLC
- James G. Bryja
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for automatically unloading brick from kiln ca...
- Publication number 20050056521
- Publication date Mar 17, 2005
- General Shale Products, LLC.
- Robert W. Keyes
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Method and apparatus for providing aging effect for brick
- Publication number 20040164455
- Publication date Aug 26, 2004
- General Shale Products LLC
- James G. Bryja
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Method and apparatus for providing aging effect for brick
- Publication number 20030102598
- Publication date Jun 5, 2003
- James G. Bryja
- B28 - WORKING CEMENT, CLAY, OR STONE