72 Utility Patents
#15 in Novi, MI
#340 in Michigan
#10,258 in US
#18,789 in the World
Forward Citations = 453
Company Filing History:



4. 9 out of 119
Centre Luxembourgeois De Recherches Pour Le Verre Et La Ceramique S.a. (c.r.v.c.)
5. 2 out of 4
Guardian Glass Holding S.p.c.
where one patent can have more than one assignee
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