David H. Trachtman

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Fullerton, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Support structures and methods
- Patent number 9,120,118
- Issue date Sep 1, 2015
- Kevin F Callsen
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Support structures and methods
- Patent number 8,668,977
- Issue date Mar 11, 2014
- Polymer Concepts, Inc.
- Kevin F Callsen
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...

Patents Applicationslast 30 patents

Information Patent Application
SUPPORT STRUCTURES AND METHODS
- Publication number 20140141171
- Publication date May 22, 2014
- Kevin F. Callsen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
SUPPORT STRUCTURES AND METHODS
- Publication number 20140134396
- Publication date May 15, 2014
- Kevin F. Callsen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
SUPPORT STRUCTURES AND METHODS
- Publication number 20080095983
- Publication date Apr 24, 2008
- Kevin F. Callsen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...