David McGovern

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Roseville, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-surface cleaning apparatus and method
- Patent number 8,763,616
- Issue date Jul 1, 2014
- Kurt Koptis
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
MULTI-SURFACE CLEANING APPARATUS AND METHOD
- Publication number 20110197917
- Publication date Aug 18, 2011
- Kurt Koptis
- A46 - BRUSHWARE