21 Utility and 15 Design Patents
#1 in Brighton, IL
#2,807 in Illinois
#80,035 in US
#157,258 in the World
rank by utility patentsForward Citations = 595
Company Filing History:



4. 4 out of 268
Sherwood Services Ag
5. 2 out of 448

where one patent can have more than one assignee
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