John R. Devecka

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Calabasas, CA, US

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Patents Applicationslast 30 patents

Information Patent Application
Child's Paper Trimmer Device
- Publication number 20110289781
- Publication date Dec 1, 2011
- John R. Devecka
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Interactive Game Systems and Methods
- Publication number 20110105205
- Publication date May 5, 2011
- John R. Devecka
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Methods and Apparatus for Art Supply Useage Compliance
- Publication number 20100253468
- Publication date Oct 7, 2010
- John R. Devecka
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES