DH

Don Dongcho Ha

MI Millipore: 2 patents #123 of 440Top 30%
Overall (All Time): #749,242 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7644675 Lateral thruster unit for marine vessels 2010-01-12
7530319 Lateral thruster unit for marine vessels 2009-05-12
7150122 Auto-eject gun-lock device with ring-mounted key 2006-12-19
6964590 Lateral thrust drive unit for marine vessels 2005-11-15
6957556 Disk tumbler lock and key, improved means and methods of manufacturing for 2005-10-25
5785297 Valve mechanism 1998-07-28
5763774 Fluid flow meter with reduced orientation sensitivity Richard F. Blair, Jiro Yamasaki 1998-06-09