6 Utility and 4 Design Patents
#1 in Allerton, IL
#13,105 in Illinois
#336,727 in US
#695,828 in the World
rank by utility patentsForward Citations = 588
Company Filing History:

Other

4. 1 out of 243
Marconi Communications Gmbh
5. 1 out of 1,587
where one patent can have more than one assignee
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