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Leonard Hacker
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Washington, DC, US
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last 30 patents
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Patent Grant
Tile game apparatus and method for learning alphabet-based symbolic...
Patent number
8,146,920
Issue date
Apr 3, 2012
Leonard Hacker
A63 - SPORTS GAMES AMUSEMENTS
Patents Applications
last 30 patents
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Patent Application
Tile Game Apparatus and Method for Learning Alphabet-based Symbolic...
Publication number
20090134576
Publication date
May 28, 2009
Leonard Hacker
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
Patient-controlled medical information system and method
Publication number
20090138281
Publication date
May 28, 2009
Leonard Hacker
G06 - COMPUTING CALCULATING COUNTING