HM

Hansan Ma

TO Tonka: 3 patents #3 of 37Top 9%
MI Milton Bradley International: 2 patents #2 of 25Top 8%
KG Kdesign Gmbh: 1 patents #12 of 45Top 30%
Overall (All Time): #892,161 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5253866 Ball with a passive sound device Randall H. Moorman 1993-10-19
D322105 Ball — 1991-12-03
4919422 Curve ball — 1990-04-24
4573332 Portable security box — 1986-03-04
D274070 Ball toy — 1984-05-29
D271897 Stacking toy — 1983-12-20