22 Utility Patents
#10 in Rolling Meadows, IL
#2,590 in Illinois
#75,269 in US
#147,708 in the World
Forward Citations = 17
Company Filing History:
United States Gypsum Company


4. 2 out of 6
United States Mineral Products Company
5. 1 out of 278

where one patent can have more than one assignee
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