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■ CERTIFICATE OF PATENT
DIV. REGISTRATION NO. CONTENTS DATE
PATENT US6,695,292 B2 SAFETY DEVICE FOR AIR BALANCING HOIST 2004-02-24
PATENT NO. 0402110 SAFETY DEVICE FOR AIR BALANCING HOIST 2003-10-02
PATENT NO. 0480309 BRAKE SYSTEM FOR AIR BALANCING HOIST 2005-03-23
PATENT NO. 0506682 OVER LOAD PROTECTOR FOR LIFTING DEVICE 2005-07-29
PATENT NO.10-0600997 O.L.P FOR DOUBLE DRUM TYPE LIFING DEVICE 2006-07-07
PATENT NO.10-0600998 SAFETY DEVICE FOR AIR BALANCING HOIST 2006-07-07
PATENT NO.10-0613431 DOUBLE BRAKE SYSTEM HOIST 2006-08-09
PATENT NO.10-0644322 CONTROL DEVICE FOR AIR BALANCING HOIST 2006-11-02
Utility NO.0316703 OVER LOAD PROTECTION DEVICE FOR HOIST 2000-06-04
Utility NO.0232990 AIR HOIST WITH DOUBLE HOOK TYPE 2001-05-23
Utility NO.0264998 OVER LOAD PROTECTOR FOR AIR HOIST 2002-02-06
Utility NO.0296790 OVER LOAD PROTECTOR FOR AIR WINCH 2002-11-20
Utility NO.0354656 4POINTS CONTROL SWITCH OF AIR HOIST 2004-06-17
Utility NO.0355193 SAFETY SYSTEM OF AIR BALANCER 2004-06-25
Utility NO.0355194 AIR BALANCER OF HAVING WING ARM 2004-06-25
Utility NO.0371064 OVER LOAD PROTECTION DEVICE FOR DOUBLE DRUM TYPE HOIST 2004-12-14
Utility NO.0371142 SAFETY DEVICE OF AIR BALANCING HOIST 2004-12-15
Utility NO.0378411 AIR ORBITAL SANDER 2005-03-02
Utility NO.200344 HOIST 1997-06-12
Utility NO.200345 HOIST 1997-06-12
Utility NO.0516509 Electric Hoist Ect.9 2002-03-29
CERTIFICATE OF DESIGN REGISTRANTION NO.0392378 AIR SANDER 2005-09-09
 
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