WD

William M. Langdon, deceased

SK Safety Kleen: 1 patents #3 of 10Top 30%
📍 Sahuarita, AZ: #1 of 2 inventorsTop 50%
🗺 Arizona: #301 of 1,382 inventorsTop 25%
Overall (1994): #51,937 of 165,921Top 35%
1
Patents 1994

Issued Patents 1994

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