WC

William V. Crawford

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
Overall (All Time): #4,098,885 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4295668 Adapter for connecting plastic pipe system to cast iron pipe system Jean H. Louthan, Russell Cox 1981-10-20