DB

David R. Beard

📍 Houston, TX: #210 of 924 inventorsTop 25%
🗺 Texas: #885 of 4,134 inventorsTop 25%
Overall (1989): #123,975 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4854408 Obstacle surmounting aid for tracked vehicle Peter J. Gibson, Christopher B. Hinchey 1989-08-08