22 Utility Patents
#13 in Ashland, MA
#3,927 in Massachusetts
#75,378 in US
#147,970 in the World
Forward Citations = 786
Company Filing History:


Coherent, Inc.
4. 2 out of 2,176

5. 1 out of 5
The Charles Stark Draper Lab., Inc.
where one patent can have more than one assignee
Get your Inventor Badge Today