DK

Daniel B. Klitsner

DT Discovery Toys: 10 patents #1 of 1Top 100%
📍 San Francisco, CA: #1 of 251 inventorsTop 1%
🗺 California: #12 of 10,592 inventorsTop 1%
Overall (1989): #419 of 140,708Top 1%
10
Patents 1989

Issued Patents 1989

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
D305047 Banked hairpin marble race toy 1989-12-12
D305043 Finishing lane marble race toy 1989-12-12
D305044 Passing lane marble race toy 1989-12-12
D305045 Switch track marble race toy 1989-12-12
D305046 Landing ramp marble race toy 1989-12-12
D305042 Y-intersection marble race toy 1989-12-12
D304216 Simulative construction toy 1989-10-24
D304217 Frog construction toy 1989-10-24
D304218 Lily pad construction toy 1989-10-24
4874342 Jump chute marble race toy 1989-10-17