Assignee

CHAPMAN CORP

US3 patents

Top patents by PatentIndex Score

US5008594AApr 16, 1991

Self-balancing circuit for convection air ionizers

CHAPMAN CORP42 citations86

US5836044ANov 17, 1998

Surface cleaner and collector system

CHAPMAN CORP14 citations62

US6075449AJun 13, 2000

Performance indicator for an electrical static eliminator device

CHAPMAN CORP1 citations45