MG

Mary A. Gehrdes

📍 Annapolis, MD: #351 of 661 inventorsTop 55%
🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #3,712,001 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5611692 Slip-on apparatus for teaching how to tie laces and other knots 1997-03-18