DH

David P. Hillstead

AI Acf Industries Incorporated: 4 patents #18 of 178Top 15%
📍 Holden, MO: #218 of 898 inventorsTop 25%
🗺 Missouri: #5,256 of 23,789 inventorsTop 25%
Overall (All Time): #1,308,447 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4440379 Bottom operator for top operated bottom installed tank car valve assembly Gunter R. Behle 1984-04-03
4270729 Top operated tank car clapper value Gunter R. Behle 1981-06-02
4265182 Damping railway car truck Robert K. Neff 1981-05-05
4198032 Bottom operable tank car lading valve assembly which does not require a skid Robert W. Randolph, Gunter R. Behle 1980-04-15