HH

Henry Louis Hansen

📍 Fairfax, VA: #488 of 1,249 inventorsTop 40%
🗺 Virginia: #12,642 of 34,511 inventorsTop 40%
Overall (All Time): #2,187,311 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6690277 Security system Albert D. Seim, II 2004-02-10
4870682 Television scrambling system Walter T. Morrey 1989-09-26