77 Utility and 1 Design Patents
#20 in Boston, MA
#347 in Massachusetts
#8,996 in US
#16,424 in the World
rank by utility patentsForward Citations = 2,979
Company Filing History:


Exergren Corporation
4. 1 out of 16
Foster-miller Associates, Inc.
5. 1 out of 1
Boston Gas Products, Inc.
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