DH

Donald E. Herring

MA Mattel: 3 patents #297 of 1,179Top 30%
Overall (All Time): #1,674,398 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4787876 Toy musical playset Tuyen Nguyen 1988-11-29
4673373 Transformable toy block and hinge therefor Lawrence Chang-Yung Wang 1987-06-16
4645471 Busy ball child's toy Raymond J. Gross 1987-02-24