SB

Sandra L. Butt

📍 North Vancouver, CA: #322 of 800 inventorsTop 45%
Overall (All Time): #2,297,859 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5362271 Magnetic playthings — 1994-11-08
5203847 Multiple layer magnetic puzzle — 1993-04-20