SK

Sang-Yeop Kwak

IT Imperial Toy: 1 patents #1 of 5Top 20%
📍 Seoul, CA: #14 of 50 inventorsTop 30%
Overall (1997): #81,186 of 185,788Top 45%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5697828 Toy coin bank with audio signal Robert E. Smathers, Steven Vetter, Sheldon F. Goldberg, Jordan Kort 1997-12-16