12 Utility Patents
#53 in Erie, PA
#5,483 in Pennsylvania
#156,202 in US
#314,808 in the World
Forward Citations = 78
Company Filing History:

N.e. Chemcat Corporation
Heesung Catalysts Corporation
4. 1 out of 1
Heesung Cataysts Corporation
5. 1 out of 77

where one patent can have more than one assignee
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