Margaret C. Graham

📍 Capitol Heights, MD: #9 of 26 inventorsTop 35%

🗺 Maryland: #19,431 of 35,612 inventorsTop 55%

Overall (All Time): #3,583,025 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6237148	Thumb shielding device	—	2001-05-29