Thomas J. Walls

📍 Springfield, VA: #4 of 19 inventorsTop 25%

🗺 Virginia: #200 of 1,067 inventorsTop 20%

Overall (1989): #49,825 of 140,708Top 40%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4879787	Shoe lace knot securing device	—	1989-11-14