10 Utility Patents
#5 in Danvers, IL
#7,405 in Illinois
#198,302 in US
#401,930 in the World
Forward Citations = 137
Company Filing History:
Other
Ch2m Hill Constructors, Inc.
Demil International, Inc.
4. 1 out of 4
Ch2m Hill Engineers, Inc.
5. 1 out of 1
Ch2m Demilitarization, Inc.
where one patent can have more than one assignee
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