Assignee
PROFICIENT SYSTEMS INC
US7 patents
Top patents by PatentIndex Score
US7739149B2Jun 15, 2010
Systems and methods to facilitate selling of products and services
PROFICIENT SYSTEMS INC71 citations96
US7657465B2Feb 2, 2010
Systems and methods to facilitate selling of products and services
PROFICIENT SYSTEMS INC96 citations96
US7526439B2Apr 28, 2009
Systems and methods to facilitate selling of products and services
PROFICIENT SYSTEMS INC98 citations92
US4608725ASep 2, 1986
Litter retrieving machine
PROFICIENT SYSTEMS INC41 citations91
US4434011AFeb 28, 1984
Method and apparatus for retrieving objects from the ground
PROFICIENT SYSTEMS INC12 citations70
US4603544AAug 5, 1986
Litter retrieving machine
PROFICIENT SYSTEMS INC19 citations60
US4561240ADec 31, 1985
Apparatus for retrieving objects from the ground
PROFICIENT SYSTEMS INC6 citations50