4 Patents
#5 in Litchfield, IL
#2,837 in Illinois
#60,597 in US
Roller Derby Skate Corporation
Forward Citations = 85
3 inventors:
Litchfield, IL, United States of America
3 inventors (with patents filed for the assignee):
Edwin Seltzer (3 out of 4 patents)
Ross J Whitehead (1 out of 3 patents)
Melvin H Scheller (1 out of 1 patent)
4 patents:
#5 in Litchfield, IL
#2,837 in Illinois
#60,597 in US
3 inventors: