39 Utility Patents
#2 in Havertown, PA
#922 in Pennsylvania
#31,285 in US
#59,557 in the World
Forward Citations = 1,787
Company Filing History:
Millmaster Onyx Corporation
Kewanee Industries
Millmaster Onyx Group, Inc.
4. 2 out of 220

5. 1 out of 1
Kawanee Industries
where one patent can have more than one assignee
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