RJ

Robert H. Trowbridge, Jr.

📍 Leesburg, VA: #322 of 496 inventorsTop 65%
🗺 Virginia: #18,729 of 34,511 inventorsTop 55%
Overall (All Time): #4,048,727 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4373720 Tennis practice backboard John P. Lombardi, Tore M. Hult 1983-02-15