Henry J. Groen

📍 Herndon, VA: #9 of 38 inventorsTop 25%

🗺 Virginia: #361 of 1,679 inventorsTop 25%

Overall (2005): #191,893 of 245,428Top 80%

Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6969257	Golf swing timing/training device	—	2005-11-29