WD

William M. Langdon, deceased

SK Safety Kleen: 1 patents #12 of 25Top 50%
📍 Sahuarita, AZ: #52 of 122 inventorsTop 45%
🗺 Arizona: #18,403 of 32,909 inventorsTop 60%
Overall (All Time): #3,803,193 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5334291 On-site, controlled waste concentrator and solvent regenerator apparatus Gilbert Gavlin, Boris Goltsin, Gunther Erlebacher, Douglas A. Larson 1994-08-02