DD

Darryl J. Doan

UN Unknown: 6 patents #2,010 of 83,584Top 3%
📍 Laurel, MT: #2 of 14 inventorsTop 15%
🗺 Montana: #553 of 3,198 inventorsTop 20%
Overall (All Time): #1,298,030 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
RE34041 Disposable hazardous and radioactive liquid aqueous waste composition and method 1992-08-25
RE33915 Disposable hazardous and radioactive liquid hydrocarbon waste composition and method 1992-05-05
4781860 Disposable hazardous and radioactive liquid aqueous waste composition and method 1988-11-01
4778627 Disposable hazardous and radioactive liquid hydrocarbon waste composition and method 1988-10-18