11 Patents
#85 in Philadelphia, PA
#981 in Pennsylvania
#26,691 in US
#50,190 in the World
Greenkeepers, Inc.
Forward Citations = 188
3 inventors:
Philadelphia, PA, United States of America
3 inventors (with patents filed for the assignee):
Francis C Carroll (9 out of 13 patents)
James Carroll, Jr (7 out of 9 patents)
James Carroll (1 out of 24 patents)
4. Francis Carroll (0 patent)
11 patents:
#85 in Philadelphia, PA
#981 in Pennsylvania
#26,691 in US
#50,190 in the World
3 inventors: