D. Noel Obenshain

📍 Swanton, MD: #4 of 9 inventorsTop 45%

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

Overall (All Time): #3,967,427 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4639969	Door closer mechanism	—	1987-02-03