13 Utility and 1 Design Patents
#12 in River Forest, IL
#5,363 in Illinois
#145,283 in US
#291,353 in the World
rank by utility patentsForward Citations = 358
Company Filing History:

Healthscan Products Inc.
Heritage-crystal Clean, LLC
4. 1 out of 4
Healthscan, Inc.
5. 1 out of 1
501 Healthscan, Inc.
where one patent can have more than one assignee
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