11 Patents
#89 in Philadelphia, PA
#992 in Pennsylvania
#27,450 in US
#51,622 in the World
Greenkeepers, Inc.
Forward Citations = 193
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)
11 patents:
#89 in Philadelphia, PA
#992 in Pennsylvania
#27,450 in US
#51,622 in the World
3 inventors: