26 Utility and 2 Design Patents
#9 in Highland Park, IL
#1,971 in Illinois
#59,042 in US
#114,930 in the World
rank by utility patentsForward Citations = 1,090
Company Filing History:
Ethyl Products Company

Ethyl Molded Products Company
4. 2 out of 268
Pittway Corporation
5. 2 out of 33
Seaquist Closures L.l.c.
where one patent can have more than one assignee
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