17 Patents
#213 in Chicago, IL
#936 in Illinois
#18,305 in US
#34,832 in the World
Discovery Zone, Inc.
Forward Citations = 209
9 inventors:
Chicago, IL, United States of America
9 inventors (with patents filed for the assignee):
Ronald G Matsch (8 out of 8 patents)
Duane R Acker (6 out of 7 patents)
Ralph E Weimer (5 out of 11 patents)
4. Richard J Petersheim (3 out of 12 patents)
5. James F Gleeson (2 out of 9 patents)
6. Grant M Strawcutter (1 out of 13 patents)
7. Joe L Solling (1 out of 2 patents)
8. Richard J Walter (1 out of 2 patents)
9. Bernard Gutterman (1 out of 3 patents)
17 patents:
#213 in Chicago, IL
#936 in Illinois
#18,305 in US
#34,832 in the World
9 inventors: