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John F. Ranta
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Princeton, MA, US
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last 30 patents
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Patent Grant
Methods and apparatus for simulating dental procedures and for trai...
Patent number
7,249,952
Issue date
Jul 31, 2007
President and Fellows of Harvard College
John F. Ranta
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
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Patent Application
Methods and apparatus for simulating dental procedures and for trai...
Publication number
20020119432
Publication date
Aug 29, 2002
John F. Ranta
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS