JR

James F. Roomsburg

📍 Virginia Beach, VA: #284 of 992 inventorsTop 30%
🗺 Virginia: #12,642 of 34,511 inventorsTop 40%
Overall (All Time): #2,219,226 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6467279 Liquid secondary cooling system Thomas J. Backman 2002-10-22
6321551 Series secondary cooling and dehumidification system for indoor ice rink facilities Thomas J. Backman 2001-11-27