21 Utility Patents
#79 in Belmont, MA
#4,186 in Massachusetts
#80,039 in US
#157,268 in the World
Forward Citations = 1,390
Company Filing History:

Sontra Medical Corporation
Echo Therapeutics, Inc.
4. 2 out of 32
Cytotherapeutics, Inc.
5. 2 out of 2
Sugar Surgical Technologies, Inc.
where one patent can have more than one assignee
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