David Fedchenko

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Seattle, WA, US

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Patents Applicationslast 30 patents

Information Patent Application
NUMBER LINE TOOL AND METHOD
- Publication number 20110250571
- Publication date Oct 13, 2011
- Mickelle Weary
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
PACKING WORKSPACE TOOL AND METHOD FOR MATH LEARNING
- Publication number 20110250573
- Publication date Oct 13, 2011
- Mickelle Weary
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
PICTURE GRID TOOL AND SYSTEM FOR TEACHING MATH
- Publication number 20110250574
- Publication date Oct 13, 2011
- Mickelle Weary
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
TILE TOOL AND SYSTEM FOR TEACHING MATH
- Publication number 20110250572
- Publication date Oct 13, 2011
- Mickelle Weary
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS