4 Patents
#340 in Minneapolis, MN
#1,610 in Minnesota
#58,991 in US
The Rubbright Group, Inc.
Forward Citations = 249
4 inventors:
Minneapolis, MN, United States of America
4 inventors (with patents filed for the assignee):
Per O Risman (3 out of 5 patents)
Robert J Petcavich (1 out of 23 patents)
Charles R Buffler (1 out of 2 patents)
4. Gregory A Kaiser (1 out of 1 patent)
4 patents:
#340 in Minneapolis, MN
#1,610 in Minnesota
#58,991 in US
4 inventors: