DS

Donald P. Sparks

📍 Maumee, OH: #165 of 420 inventorsTop 40%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,258,582 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5730193 Apparatus and method for capturing halocarbon compositions from containers Howard K. Thompson, Guy W. Lampe 1998-03-24
5623833 System and method for recovering and separating non-condensing gases from a halocarbon composition Mark D. Mitchell, Howard K. Thompson 1997-04-29