4 Utility Patents
#42 in Addison, IL
#19,212 in Illinois
#481,365 in US
Forward Citations = 52
Company Filing History:
American Colloid Company
United Cement Co.
where one patent can have more than one assignee
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#42 in Addison, IL
#19,212 in Illinois
#481,365 in US
Company Filing History:
Get your Inventor Badge Today