18 Utility Patents
#40 in North Andover, MA
#5,238 in Massachusetts
#98,813 in US
#195,783 in the World
Forward Citations = 1,138
Company Filing History:

Ionics, Inc.
United States Filter Corporation
4. 3 out of 7
IP Holding Company
5. 2 out of 2
The Hubinger Co.
where one patent can have more than one assignee
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