22 Utility Patents
#6 in Holden, MA
#3,921 in Massachusetts
#75,267 in US
#147,706 in the World
Forward Citations = 1,583
Company Filing History:

Vivascan Corporation
Other
4. 2 out of 225
5. 1 out of 1
Grove Instruments, Inc.
where one patent can have more than one assignee
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