RICHARD BURKART

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Swisher, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for forming a duct
- Patent number 8,458,884
- Issue date Jun 11, 2013
- Mestek Machinery, Inc.
- Michael C. Borwig
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for forming a duct
- Patent number 8,225,636
- Issue date Jul 24, 2012
- Mestek Machinery, Inc.
- Michael C. Borwig
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR FORMING A DUCT
- Publication number 20120260713
- Publication date Oct 18, 2012
- MESTEK MACHINERY, INC.
- MICHAEL C. BORWIG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
APPARATUS FOR FORMING A DUCT
- Publication number 20110030446
- Publication date Feb 10, 2011
- MESTEK MACHINERY, INC.
- MICHAEL C. BORWIG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...