39 Utility Patents
#1 in Ayer, MA
#1,396 in Massachusetts
#29,553 in US
#56,121 in the World
Forward Citations = 559
Company Filing History:
Esa, Inc.
Environmental Sciences Associates, Inc.
4. 2 out of 5
Esa Biosciences, Inc.
5. 1 out of 830,757 patents
Other
where one patent can have more than one assignee
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