SC

Sarah Crall

📍 Fairfax, VA: #697 of 1,249 inventorsTop 60%
🗺 Virginia: #18,729 of 34,511 inventorsTop 55%
Overall (All Time): #3,826,877 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5221837 Non-contact envelope counter using distance measurement Michael P. Walgren, Murray L. Kopit, Wah Sheck 1993-06-22