RC

Richard C. M. Cheng

📍 Kowloon, CA: #27 of 62 inventorsTop 45%
Overall (All Time): #896,848 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4286752 Nesting track section for model vehicles 1981-09-01
4254577 Model vehicle 1981-03-10
4231517 Track section for model vehicles 1980-11-04
4219153 Model vehicle track section 1980-08-26
4203548 Model track section 1980-05-20
4185409 Teeter-totter track section for model vehicles 1980-01-29