DR

Donald L. Ruggles

📍 Towson, MD: #194 of 347 inventorsTop 60%
🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #3,898,193 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4908915 Metal clip for attaching metal stud system to a ceiling grid system Arthur G. Maben 1990-03-20