DC

David W. Chalmers

📍 Rancho Palos Verdes, CA: #727 of 1,701 inventorsTop 45%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,326,708 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4966391 Impact-absorbing amusement vehicle David W. Sobodos 1990-10-30
4838592 Impact-absorbing amusement vehicle David W. Sobodos 1989-06-13